How to choose the size: One size is the size of the small plug of the rubber stopper in the hole. This is the only way to achieve the sealing effect without falling off. Features: corrosion resistance, acid and alkali resistance, high temperature resistance, UV resistance, aging resistance, long service life, high and low temperature resistance, etc.
eBay
10Pcs Square Plastic Black Blanking End Cap Tube Pipe Insert Plug Bung 10x20~500x100mm Living Room Furniture Bed Frame
Aliexpress UK
Material: Silicone (Flexible, Food Grade). We Sincerely Hope That You Can Receive the Goods As Soon As Possible. Corrosion Resistance, Acid and Alkali Resistance, High Temperature Resistance 250℃, Uv Resistance, Aging Resistance, Long Service Life, High and Low Temperature Resistance, Etc.
eBay
1/4/10/50pcs Black Rectangular Plugs Pipe Tube Cap Plastic Tubing End Cap Insert Blanking Stopper 10 13 15 20 25 30 35 40-100mm
Aliexpress UK
Details The product data is measured manually Different batches may have errors Please note that reality prevails. Description Type: Plastic Blanking Plugs Material: Plastic Size: 5mm - 100mm Colour: White System of Measurement: Metric.
eBay
10X Blue Nylon Pneumatic Blanking Plug Hose Tube Push Fit Connector Air Line 4/6/8/10/12MM
Aliexpress UK
Features: It has good sealing property, high temperature resistance, acid and alkali resistance and corrosion resistance. Temperature Resistance: -40℃~+250℃. Applications: It can be used for desk stools, square rainwater pipes, square steel pipes, household tables, etc.
eBay
1/8" 1/4" 3/8" 1/2" 3/4" 1"- 2" Bsp Brass Male Thread Blanking End Cap Stop Plugs End Screw On Fitting Coupler Connector Adapter
Aliexpress UK
Plastic Blanking Inserts. 4mm (M4) WHITE Hole Plugs (Push fit).
eBay
1/2/5/10 Pcs White Rectangle/Square Blanking End Cap Table Leg Foot Pad Steel Pipe Insert Plug 15x15mm -50x100mm
Aliexpress UK
Plastic Hole Blanking Plugs made of injection-moulded plastic, designed for blanking holes in a surface. The matt structure of the upper part of the cap gives it an aesthetic appearance. They are used as an effective blanking of a hole in a sheet.
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Tube Pipe Inserts Plug Bung Insert Stopper For Chair Leg Pipe tapon tubo redondo Black Round Plastic Blanking End Cap
Aliexpress UK
Material : Plastic.
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16PC Plastic White pipe plug Square Rectangle Blanking End Caps Tube Pipe Inserts Bung Anti-slip Chair Leg Caps Floor Protection
Aliexpress UK
Specifications: Premium Material-Our plastic plugs for round holes are made of PP material. Frosted surface non-slip matte, beautiful design. Lightweight, abrasion resistant, strong and enduring, card tooth design, not easy to fall off. Easy to Install-Adopt automatic buckle design, not easy to fall off, simple and quick. Just need to select a hole plug with proper size and press it into the hole to complete the installation. Material: Plastic Size：5 - 60mm Color：Black
eBay
Square Pipe Plug 10-60 15-100 Black Blanking End Caps Rectangular Pipe Tube Cap Insert PlugsTable Chair Furniture Foot Cover
Aliexpress UK