Electrical Fittings

This trailing edge single dimmer switch from British General allows you to control your light levels and set the mood. The intelligent electronic circuit monitors the connected load and provides a soft-start with protection against thermal, current and voltage overload, and is suitable for dimming LED, dimmable CFL's and traditional lighting. Designed with captive screws for ease of installation, the sleek and slim design has a black nickel finish with colour match fixing screws and softly rounded edges for a luxurious appearance

200W Rated (100W LED)

Easy to install supplied with fixing screws and installation instructions

Adjust your light level for mood setting as well as energy saving with 2 way on/off

Trailing (lagging) edge dimmer suitable for dimming LED, dimmable CFL's and traditional lighting

Soft start brings the lights to a set level in around 1 second and extends the life of lamps

Overload protection prevents failure if you mistakenly connect your dimmer to too many lights or transformers and will turn the lights down or off until the load is corrected

Silent operation - no noise when dimming

Support for lower wattage lamps eliminates flicker

Rotary dimmer control with push on/off function

Certified to BS EN 60669-2-1

This trailing edge single dimmer switch from British General allows you to control your light levels and set the mood. The intelligent electronic circuit monitors the connected load and provides a soft-start with protection against thermal, current and voltage overload, and is suitable for dimming LED, dimmable CFL's and traditional lighting. Designed with captive screws for ease of installation, the sleek and slim design has a brushed steel finish with anti-fingerprint lacquer, colour match fixing screws and softly rounded edges for a luxurious appearance.

200W Rated (100W LED)

Easy to install supplied with fixing screws and installation instructions

Adjust your light level for mood setting as well as energy saving with 2 way on/off

Trailing (lagging) edge dimmer suitable for dimming LED, dimmable CFL's and traditional lighting

Soft start brings the lights to a set level in around 1 second and extends the life of lamps

Overload protection prevents failure if you mistakenly connect your dimmer to too many lights or transformers and will turn the lights down or off until the load is corrected

Silent operation - no noise when dimming

Support for lower wattage lamps eliminates flicker

Rotary dimmer control with push on/off function

Certified to BS EN 60669-2-1

This trailing edge single dimmer switch from British General allows you to control your light levels and set the mood. The intelligent electronic circuit monitors the connected load and provides a soft-start with protection against thermal, current and voltage overload, and is suitable for dimming LED, dimmable CFL's and traditional lighting. Designed with captive screws for ease of installation, the sleek and slim design has a polished chrome finish with colour match fixing screws and softly rounded edges for a luxurious appearance.

200W Rated (100W LED)

Easy to install supplied with fixing screws and installation instructions

Adjust your light level for mood setting as well as energy saving with 2 way on/off

Trailing (lagging) edge dimmer suitable for dimming LED, dimmable CFL's and traditional lighting

Soft start brings the lights to a set level in around 1 second and extends the life of lamps

Overload protection prevents failure if you mistakenly connect your dimmer to too many lights or transformers and will turn the lights down or off until the load is corrected

Silent operation - no noise when dimming

Support for lower wattage lamps eliminates flicker

Rotary dimmer control with push on/off function

Certified to BS EN 60669-2-1

This single dry lining box is ideal for mounting electrics into dryline cavity walls partitions and plasterboard walls. The PVC box is 35mm deep, chemical resistant and has a 25mm circular knockout in the base. Quick and easy to install, suitable for everyday use in commercial and industrial environments.

Quick and easy to install

Suitable for mounting electrics into dryline cavity walls, partitions and plasterboard walls

Manufactured from PVC

Chemical resistant

Compatible with single plate accessories

Circular base knockout size = 25mm

Suitable for everyday use in commercial and industrial environments.

Mounting box depth: 35mm

This Nexus 800 series white moulded switched and fused 13A connection unit from British General provides an outlet from the mains containing the fuse and is ideal for spur circuits and hardwired appliances. Its moulded white front-plate has a high resistance to fading, discolouration and scratches, with inherent anti-microbial properties proven to reduce bacterial development and inhibit the growth of infectious diseases. Finished with softly rounded edges and screw caps for a sleek appearance.

13A Rated

Easy to install supplied with fixing screws and installation instructions

Ideal for spur circuits and hard wired power appliances

Angled colour coded terminals for ease of installation

Captive screws prevent screw loss

Screw covers for sleek appearance

Embossed with 'Fuse' on the fuse cover

Minimum mounting box depth 25mm

Anti-microbial certified - inhibits 99% of bacterial growth on touch point surfaces from infectious diseases including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

ASTA Licence number 1015

This switched and fused 13A connection unit from British General provides an outlet from the mains containing the fuse and is ideal for spur circuits and hardwired appliances. This black nickel finish unit has a sleek and slim profile, with softly rounded edges to add a touch of luxury to your decor.

13A Rated

Easy to install supplied with fixing screws and installation instructions

Ideal for spur circuits and hard wired power appliances

Angled colour coded terminals provide easy access for quick installation

Captive screws prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switch

Moisture control gasket prevents tarnishing from new plaster

Embossed with 'Fuse' on the fuse cover

Certified to BS 1363 Part 4

This switched and fused 13A connection unit from British General provides an outlet from the mains containing the fuse and is ideal for spur circuits and hardwired appliances. This brushed steel finish unit has a sleek and slim profile and an anti-fingerprint lacquer, with softly rounded edges to add a touch of luxury to your decor.

13A Rated

Easy to install supplied with fixing screws and installation instructions

Ideal for spur circuits and hard wired power appliances

Angled colour coded terminals provide easy access for quick installation

Captive screws prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switch

Moisture control gasket prevents tarnishing from new plaster

Embossed with 'Fuse' on the fuse cover

Certified to BS 1363 Part 4

This black nickel finish 20A 16AX single light switch from British General will operate one light in a room. The 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs). This switch has a sleek and slim profile with softly rounded edges to add a touch of luxury to your decor.

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive, backed out terminal screws for fast installation and to prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switch

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 16mm

Certified to BS60669-1

This Nexus 800 series white moulded 20A 16AX single light switch from British General will operate one light in a room. The 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs). Its moulded white front-plate has a high resistance to fading discolouration and scratches, with inherent anti-microbial properties proven to reduce bacterial development and inhibit the growth of infectious diseases. Finished with soft rounded edges and screw caps for a sleek appearance.

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive screws prevent screw loss

Screw covers for sleek appearance

Minimum mounting box depth: 16mm

Manufactured using high grade thermoset Urea which effectively inhibits the growth of infectious diseases, including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

Certified to BS60669-1

ASTA Licence number 1010

This 900 series white moulded 20A 16AX single light switch from British General will operate one light in a room. The 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs). Its moulded white front-plate has a high resistance to fading discolouration and scratches, with inherent anti-microbial properties proven to reduce bacterial development and inhibit the growth of infectious diseases. Finished with classic square edges and screw caps for a sleek appearance.

IP20 Rating

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive screws prevent screw loss

Screw covers for sleek appearance

Minimum mounting box depth: 16mm

Manufactured using high grade thermoset Urea which effectively inhibits the growth of infectious diseases, including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

Certified to BS60669-1

ASTA Licence number 1010

This brushed steel finish 20A 16AX single light switch from British General will operate one light in a room. The 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs). This switch has an anti-fingerprint lacquer and a sleek and slim profile with softly rounded edges to add a touch of luxury to your decor.

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive, backed out terminal screws for fast installation and to prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switch

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 16mm

Certified to BS60669-1

This 45A double pole switch with indicator from British General is ideal for use with cookers and ovens. This switch has a premium black nickel finish a sleek and slim profile and softly rounded edges to add a touch of luxury to your decor.

45A Rated

Easy to install, supplied with fixing screws and installation instructions

Ideal for cookers and ovens

Double Pole switching for the peace of mind of a safer installation

Twin earth fitted as standard for high integrity circuits

Captive screws prevent screw loss

Flush power indicator

Sleek and slim premium metal with softly rounded edges

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 47mm

This Nexus 800 series white moulded 13A switched socket from British General has a high resistance to fading discolouration and scratches, with inherent anti-microbial properties proven to reduce bacterial development and inhibit the growth of infectious diseases. Designed with angled in-line terminals and captive screws for ease of installation, and finished with softly rounded edges and screw caps for a sleek appearance.

13A Rated

Easy to install, supplied with fixing screws and installation instructions

Angled in-line colour coded terminals provide easy access for quick installation

Captive screws prevent screw loss

Screw covers for sleek appearance

Twin earth fitted as standard to allow a double earth facility for installations requiring high integrity protective connection Ref. BS 7671:2008

Minimum mounting box depth 25mm

Manufactured using high grade thermoset Urea which effectively inhibits the growth of infectious diseases, including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

Certified to BS1363-2

ASTA Licence number 1013

This brushed steel finish 13A single switched socket from British General has a sleek and slim profile with softly rounded edges, anti-fingerprint lacquer and no visible plastic around the switch for a luxurious finish. This socket has been designed with angled in line colour coded terminals and backed out captive screws for ease of installation, and fits a 25mm back box making it an ideal retro-fit replacement for existing sockets.

13A Rated

Easy to install, supplied with fixing screws and installation instructions

Angled, colour coded in-line terminals provide easy access for quick installation

Twin earth fitted as standard for high integrity circuits

Captive screws prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switch

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 25mm

Grey Insert

This polished chrome finish 20A 16AX single light switch from British General will operate one light in a room. The 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs). This switch has a sleek and slim profile with softly rounded edges to add a touch of luxury to your decor.

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive, backed out terminal screws for fast installation and to prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switch

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 16mm

Certified to BS60669-1

This polished chrome finish 13A single switched socket from British General has a sleek and slim profile with softly rounded edges and no visible plastic around the switch to add a touch of luxury to your decor. This socket has been designed with angled in line colour coded terminals and backed out captive screws for ease of installation, and fits a 25mm back box making it an ideal retro-fit replacement for existing sockets.

13A Rated

Easy to install, supplied with fixing screws and installation instructions

Angled, colour coded in-line terminals provide easy access for quick installation

Twin earth fitted as standard for high integrity circuits

Captive screws prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switch

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 25mm

White insert

This single steel back box is ideal for the installation of electrical accessories and is designed to be fitted into a wall cavity for a flush to wall fitting. The 16mm depth is ideal for use with 10A switches.

Easy to fit

Manufactured from steel

Suitable for installation of single electrical accessories

2 fixing lugs

M20 knockouts in sides and base

Complete with earth bond terminal

16mm deep

Ideal for use with switches

This single steel back box is ideal for the installation of electrical accessories and is designed to be fitted into a wall cavity for a flush to wall fitting. The 25mm depth is ideal for use with 13A sockets and 20A double pole switches.

Easy to fit

Manufactured from steel

Suitable for installation of single electrical accessories

4 fixing lugs

M20 knockouts in sides and base

Complete with earth bond terminal

25mm deep

This 900 series white moulded single surface mounting box from British General is ideal for installing plate switches without the need to remove material from the wall. This box has classic square edges multiple knockouts for versatility, and an earth terminal fitted as standard. Ideal for use with electrical accessories from the BG 900 series range.

19mm Deep

Easy to install supplied with fixing screws and installation instructions

Square pattress box for single plate switches

Multiple knock-outs

Earth terminal fitted as standard

Anti-microbial certified - inhibits 99% of bacterial growth on touch point surfaces from infectious diseases including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

Certified to BS 5733

ASTA Licence number 1020

This 900 series white moulded single surface mounting box from British General is ideal for installing power points without the need to remove material from the wall. This box has classic square edges multiple knockouts for versatility, and an earth terminal fitted as standard. Ideal for use with electrical accessories from the BG 900 series range.

32mm Deep

Easy to install supplied with fixing screws and installation instructions

Square pattress box for single outlets

Multiple knock-outs

Earth terminal fitted as standard

Anti-microbial certified - inhibits 99% of bacterial growth on touch point surfaces from infectious diseases including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

Certified to BS 5733

ASTA Licence number 1020

This 900 series white moulded 45mm deep surface mounting box from British General is ideal for installing single power points that require extra depth without the need to remove material from the wall. This box has classic square edges, multiple knockouts for versatility, and an earth terminal fitted as standard. Ideal for use with electrical accessories from the BG 900 series range.

45mm Deep

Easy to install supplied with fixing screws and installation instructions

Square pattress box for single outlets

Multiple knock-outs

Earth terminal fitted as standard

Anti-microbial certified - inhibits 99% of bacterial growth on touch point surfaces from infectious diseases including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

Certified to BS 5733

ASTA Licence number 1020

This 20A double pole switch with indicator from British General has been designed for the connection of refrigerators water heaters, central heating boilers and many other fixed appliances. This switch has a premium brushed steel finish with anti-fingerprint lacquer, a sleek and slim profile and softly rounded edges to add a touch of luxury to your decor.

20A Rated

Easy to install, supplied with fixing screws and installation instructions

Suitable for use with refrigerators, water heaters, central heating boilers and many other fixed appliances

Double Pole switching for the peace of mind of a safer installation

Colour coded terminals for easy identification

Sleek and slim premium metal with softly rounded edges

Flush LED power indicator

Sleek and slim premium metal with softly rounded edges

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 25mm

This Nexus 800 series white moulded 13A single socket from British General comes with two USB charging ports allowing you to plug in an electrical device and charge mobile devices simultaneously without having to sacrifice a power socket. Its moulded white front-plate has a high resistance to fading, discolouration and scratches, with inherent anti-microbial properties proven to reduce bacterial development and inhibit the growth of infectious diseases. With its rounded edge finish, the white moulded wall plate will seamlessly fit with any style or décor in your home, and fits a 25mm backbox, ideal for retro-fit.

13A Rated

Easy to install supplied with fixing screws and installation instructions

Free your sockets and charge all your devices - ideal for mobile phone tablets, MP3's and other USB chargeable devices

2.1A USB charging output with charge shared across two outlets. 2 Type A outlets, 2.1A, 5V

Smart USB - Standby mode when device is fully charged; AutoDetect's the USB device and adjusts charging pattern to suit; protective overload function

Angled in-line colour coded terminals with captive screws provide easy access for quick installation

Twin earth fitted as standard to allow a double earth facility for installations requiring high integrity protective connection Ref. BS 7671:2009

Minimum mounting box depth 25mm

Certified to BS1363-2:2016

ASTA Licence number 1182

This trailing edge double dimmer switch from British General allows you to control your light levels and set the mood. The intelligent electronic circuit monitors the connected load and provides a soft-start with protection against thermal, current and voltage overload, and is suitable for dimming LED, dimmable CFL's and traditional lighting. Designed with captive screws for ease of installation, the sleek and slim design has a brushed steel finish with anti-fingerprint lacquer, colour match fixing screws and softly rounded edges for a luxurious appearance.

200W Rated (100W LED)

Easy to install supplied with fixing screws and installation instructions

Adjust your light level for mood setting as well as energy saving with 2 way on/off

Trailing (lagging) edge dimmer suitable for dimming LED, dimmable CFL's and traditional lighting

Soft start brings the lights to a set level in around 1 second and extends the life of lamps

Overload protection prevents failure if you mistakenly connect your dimmer to too many lights or transformers and will turn the lights down or off until the load is corrected

Silent operation - no noise when dimming

Support for lower wattage lamps eliminates flicker

Rotary dimmer control with push on/off function

Certified to BS EN 60669-2-1

This polished chrome finish 20A 16AX double light switch from British General can operate 2 different lights whilst the 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs). This switch has a sleek and slim profile, with softly rounded edges to add a touch of luxury to your decor.

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive, backed out terminal screws for fast installation and to prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switches

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 16mm

Certified to BS60669-1

This Nexus 800 series white moulded 20A 16AX double light switch from British General can operate 2 different lights whilst the 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs). Its moulded white front-plate has a high resistance to fading, discolouration and scratches, with inherent anti-microbial properties proven to reduce bacterial development and inhibit the growth of infectious diseases. Finished with soft rounded edges and screw caps for a sleek appearance.

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive screws prevent screw loss

Screw covers for sleek appearance

Minimum mounting box depth: 16mm

Manufactured using high grade thermoset Urea which effectively inhibits the growth of infectious diseases, including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

Certified to BS60669-1

ASTA Licence number 1010

This brushed steel finish 20A 16AX double light switch from British General can operate 2 different lights whilst the 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs). This switch has an anti-fingerprint lacquer and a sleek and slim profile, with softly rounded edges to add a touch of luxury to your decor.

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive, backed out terminal screws for fast installation and to prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switches

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 16mm

Certified to BS60669-1

Anti-fingerprint lacquer reduces unsightly fingerprints

This Nexus 800 series white moulded 45A double pole switch from British General is ideal for use with cookers and has a flush power indicator. Its moulded white front-plate has a high resistance to fading discolouration and scratches, with inherent anti-microbial properties proven to reduce bacterial development and inhibit the growth of infectious diseases. Designed with colour coded terminals and captive screws for ease of installation, and finished with soft rounded edges and screw caps for a premium appearance.

45A Rated

Easy to install, supplied with fixing screws and installation instructions

Angled colour coded terminals with captive screws provide easy access for quick installation

Screw covers for sleek appearance

LED power Indicator, reliable and low power

Twin earth fitted as standard to allow a double earth facility for installations requiring high integrity protective connection Ref. BS 7671:2008

Double Pole switching for the peace of mind of a safer installation

Minimum mounting box depth 47mm

Manufactured using high grade thermoset Urea which effectively inhibits the growth of infectious diseases, including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

ASTA Licence number 1012

This Nexus 800 series white moulded 20A 16AX triple light switch from British General can operate 3 different lights whilst the 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs or at either end of a hallway). Its moulded white front-plate has a high resistance to fading, discolouration and scratches, with inherent anti-microbial properties proven to reduce bacterial development and inhibit the growth of infectious diseases. Finished with soft rounded edges and screw caps for a sleek appearance.

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive screws prevent screw loss

Screw covers for sleek appearance

Minimum mounting box depth: 16mm

Manufactured using high grade thermoset Urea which effectively inhibits the growth of infectious diseases, including MRSA, E-Coli, Salmonella and Klebsiella Pneumonia bacteria

Certified to BS60669-1

ASTA Licence number 1010

This brushed steel finish 20A 16AX triple light switch from British General can operate 3 different lights whilst the 2 way switching allows a second switch to be added to the circuit to operate the same light from another location (e.g. at the top and bottom of the stairs). This switch has an anti-fingerprint lacquer and a sleek and slim profile, with softly rounded edges to add a touch of luxury to your decor.

20A 16AX Rated

Easy to install, supplied with fixing screws and installation instructions

2 way switching allows for a second switch position in a circuit

Captive, backed out terminal screws for fast installation and to prevent screw loss

Sleek and slim premium metal with softly rounded edges

No visible plastic around switches

Moisture control gasket, prevents tarnishing from new plaster

Minimum mounting box depth 25mm

Anti-fingerprint lacquer reduces unsightly fingerprints

Certified to BS60669-1

This single dry lining box is ideal for mounting electrics into dryline cavity walls partitions and plasterboard walls. The PVC box is 47mm deep, chemical resistant and has a 25mm circular knockout in the base. Quick and easy to install, suitable for everyday use in commercial and industrial environments.

Quick and easy to install

Suitable for mounting electrics into dryline cavity walls, partitions and plasterboard walls

Manufactured from PVC

Chemical resistant

Compatible with single plate accessories

Circular base knockout size = 25mm

Suitable for everyday use in commercial and industrial environments.

Mounting box depth: 47mm

These grey 1.5mm twin and earth cable clips come in a pack of 50pcs, and are ideal for the fast installation of cables. Made from impact resistant UV stabilised polypropylene with integrated hardened zinc coated safety nails, these clips are suitable for use on wood, masonry and compressed board, and can withstand high impact together with extremes of heat, cold and acid.

For fast installations of cables

Suitable for use wood, masonry and compressed board

Grey Colour

Manufactured from strong, impact resistant polypropylene

Each clip includes integrated zinc coated nail

Safety nail bends before breaking

Operating Temperature: -40°C to +80°C

These grey 2.5mm twin and earth cable clips come in a pack of 50pcs, and are ideal for the fast installation of cables. Made from impact resistant UV stabilised polypropylene with integrated hardened zinc coated safety nails, these clips are suitable for use on wood, masonry and compressed board, and can withstand high impact together with extremes of heat, cold and acid.

For fast installations of cables

Suitable for use wood, masonry and compressed board

Grey Colour

Manufactured from strong, impact resistant polypropylene

Each clip includes integrated zinc coated nail

Safety nail bends before breaking

Operating Temperature: -40°C to +80°C

Wiska COMBI 308/5B is suitable for extreme conditions or for outdoor installations.

· Weatherproof
· Ultraviolet resistant
· Shatterproof
· Impact resistant
· Flame-retardant
· Halogen-free
· Self-sealing membrane in the ground
· Captive and rust-free quick-release lid screws of plastic