Size: Aperture 5mm to 70mm. Silicone rubber stopper. Material: PVC rubber. How to match sizes Model: KH series. Color: spot black/white. Non-standard customization: Support non-standard size customization.
eBay
15 sizes 3M Silicone Tubing 2mm 3mm 4mm 5mm 6mm 8mm 10mm 12mm Food Grade Transparent Silicone Tube Rubber Hose Water Pipe
Aliexpress UK
It is waterproof, dustproof and has strong insulation, which is safer to use. The unique buckle design fits the hole better so that it is easily secured for better wire protection. No special tools are required, just choose the right size or drill a suitable hole in the box, attach the rubber ring to the hole and let the wires pass through.
eBay
10Pcs Toy Wheel Rubber Rim Tyres DIY Mini Technology 4WD Colorful Tires Hole Dia 2mm 2.5mm 3mm for RC Model Cars Toycars Part
Aliexpress UK
※ Model: double-sided guard coil, out coil. ※ Material quality: synthetic rubber. ※ Performance: The rubber has high elasticity, insulation, air and water tightness, abrasion resistance, oil resistance, aging resistance, high temperature resistance, cold resistance, corrosion resistance, antistatic and other excellent properties.
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50pc NBR O Ring Seal Gasket Thickness CS 1.5mm OD 5~80mm Nitrile Butadiene Rubber Spacer Oil Resistance Washer Round Shape Black
Aliexpress UK
Specification Size: 2.5mm～30mm. Features: Corrosion resistance, acid and alkali resistance, high temperature resistance, UV resistance, aging resistance, long service life, high and low temperature resistance, etc.
eBay
Sealing Cap Rubber Hoses End Caps Silicone Plugs 3mm 4mm 5mm 6mm 8mm 10mm 12MM Seals Screw Plastic Cover Stopper Head Sleeve Tip
Aliexpress UK
Features: corrosion resistance, acid and alkali resistance, high temperature resistance 250℃, UV resistance, aging resistance, long service life, high and low temperature resistance, etc. Material: Silicone Rubber (Flexible, Food Grade).
eBay
1 Meter 27 sizes 0.5mm to 12mm Food Grade Transparent Silicone Tube Rubber Hose Water Gas Pipe
Aliexpress UK
Silicone rubber is a soft and elastic material with good sealing type, high temperature resistance, anti-aging, acid and alkali corrosion resistance. Material: Silicone Rubber. 5mm 8mm 7mm 1.5mm 3mm. 9mm 13.5mm 9mm 2mm 5mm.
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150PCS/box NBR Rubber Sealing O-rings Gasket Replacements Assortment Kit OD 4mm-20mm CS 1mm 1.5mm 1.9mm 2.4mm 10 Small Sizes
Aliexpress UK
◼️ The picture is for reference only, the specific in kind shall prevail, do not shoot if you mind! ◼️ Product Model:Silicone Rubber OpenHole Plug. ◼️ Rubber sheath coils help protect circuits, wires and cables from sharp corners or edges, rough and uneven hole plugs polished into smooth insulating holes.
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Round Black Silicone Rubber Pipe Sleeve Tube Cap Table Chair Foot Pad Protective Cover 3-68.5mm
Aliexpress UK
Size: 3mm - 80mm. Material: Rubber.
eBay
1 Meter 27 sizes 0.5mm to 12mm Food Grade Transparent Silicone Tube Rubber Hose Water Gas Pipe Dropshipping Sell At A loss
Aliexpress UK