Made of tough, non-porous SAE 304 Stainless steel. Hole size once fitted 17/64" ( 6.74mm ). Hole size once fitted 3/8" ( 9.5mm ). Hole size once fitted 1/2" ( 12.7mm ). Hole size once fitted 5/8" ( 15.88mm ).
eBay
Black Silicone Rubber Snap-on Grommet Hole Plugs Electric Wire Cable Protect Bushing
Aliexpress UK
Made of tough, non-porous SAE 304 Stainless steel. Hole size once fitted 17/64" ( 6.74mm ). Hole size once fitted 3/8" ( 9.5mm ). Hole size once fitted 1/2" ( 12.7mm ). Hole size once fitted 5/8" ( 15.88mm ).
eBay
5pcs Silicone Rubber Snap-on Grommet 15mm - 30mm Hole Plugs Electric Wire Cable Protect Bushing Black White Grey Transparent
Aliexpress UK
Made from high quality, flexible, food grade silicone. Temperature resistant from -40˚C to +250˚C. Bulk orders available - Get in touch for a quote. Easy to fit and remove. Get in touch to check availability.
eBay
Wall Grommets 3/4 Inch Rubber Wall Bushing Grommet for Ethernet Cable 19mm Hole Waterproof Cable Routing Kit for Protecting Cord
Aliexpress UK
Sizes Available: 6mm, 9mm, 12mm, 16mm, 20mm, 25mm, 32mm, 38mm& 50mm. C - Cable Hole. A - Panel Hole Size. Quantities Available: 2, 5, 10 & 25.
eBay
Rubber Wiring Grommets Black/White Tower Type Protection Coil Dust Covers Plugs Tapered Cable Protector Firewall Hole Plug
Aliexpress UK
16mm 15.8mm 1.6mm 12mm 5.9mm 19mm. 25mm 25mm 1.6mm 19.5mm 7.3mm 29.2mm. 9mm 9.3mm 1.6mm 7.7mm 6mm 13.4mm. 20mm 20.2mm 1.6mm 15.8mm 6.2mm 23mm. 12mm 12.3mm 1.6mm 9.5mm 6.4mm 16.2mm. 6mm 6.4mm 1.6mm 4.8mm 3.8mm 8.5mm.
eBay
50MM Wire Hole Cover Round Home Office Table Outlet Port Line Box Computer Desk Cord Grommet With 2 Port USB Cable Organizer
Aliexpress UK
Keep the cables in your office / study tidy with this desk cable tidy grommits. Easily slots in to the cable holes on your desk. Make your selection from the drop down box. Desk Cable Tidies.
eBay
5Pcs Transparent Silicone Rubber Snap-on Wiring Grommets End Caps Bung Through Hole Inserts Plug Protect Cable 4.5mm-30mm
Aliexpress UK
Use the drop down box to make your selection. Available in 50mm, 60mm or 80mm. Wire Hole Cover. Plastic Finish : Three sizes with 7 colour choices, with a closable hole. Plastic colours are closable.
eBay
Black White Hole Plug 3.3-113.6mm Round Hollow Silicone Rubber Grommet Wire Cable Wiring Protect Bushes O-rings Sealed Gasket
Aliexpress UK
20mm 20mm 1.6mm 6.2mm 24.2mm. 25mm 25mm 1.6mm 7.3mm 29.2mm. 9mm 9.3mm 1.6mm 6mm 13.4mm. 16mm 15.8mm 1.6mm 5.9mm 19mm. 12mm 12.3mm 1.6mm 6.4mm 16.2mm. 6mm 6.4mm 1.6mm 3.8mm 8.5mm. Material:PVC Rubber. Thread Count & Thread Pitch.
eBay