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Amazon.com: Prescott Plastics 1" Inch (25.4 mm) Round Plastic Hole Plugs, Inserts, Black End Caps for Metal Tubing, Hardware Plug, Fences, Glide Protection from Chair Legs and Furniture - Pack of 4 :
PVC Water Pipes End Seal Caps 101mm-202mm Round Silicone Rubber Hole Plugs White | eBay
Amazon.com: (2 Pack) 2 1/2 Inch (2.5") OD Round Plastic Plug,(8-12Ga for ID 2.17-2.28") Pipe Tubing End Cap, Durable Chair Glide Plug | to Fit Round Tube Size OD 2.500 Inch
2/4/8/16/20Pcs White Plastic Round Table Chair Feet Cap Caps Tubing Insert Plugs Hole Cover Pipe End Stopper 13mm~76mm - AliExpress
80x80 100x100 10x20 15x30 13x26mm PE Plastic Square Pipe Plugs Black Hole End Caps Inserts Seal Plugs Chair Foot Pad - AliExpress
Plastic Caps and Plugs
EMT Conduit End Cap | Conduit End Plug | Maker Pipe
Source MOCAP Tapered plastic caps plugs multi size hydraulic valve hollow hole decorative cover plastic tube pipe plug on m.alibaba.com
12Pcs Round Plastic End Caps Insert Plugs Anti-rust Aluminum pipe Plug End Cap | eBay
1-5/8"/10-14 Gauge Round Black Tubing Plug - A = 1.625", B = 0.59" | U.S. Plastic Corp.
Tubing Caps 1" Round Black Plastic Tubing Hole Plug End Cap, 1 inch OD – JSP Manufacturing
Amazon.com: Prescott Plastics 1" Inch (25.4 mm) Square Plastic Hole Plugs Inserts, Black End Caps for Metal Tubing, Fences, Glide Protection from Chair Legs, Furniture and Floors (Pack of 10) : Industrial
Amazon.com: Zorfeter 30 Pcs Black Hole Plugs 6mm (1/4 inch) Flush Type Panel Plastic Plugs, Furniture Fencing Post Pipe Insert End Caps : Industrial & Scientific
Prescott Plastics 1" Inch (25.4 mm) Round Plastic Hole Plugs, Inserts, Black End Caps for Metal Tubing, Hardware Plugs, Fences, Glide Protection from Chair Legs and Furniture - Pack of 10 1"
OEM PVC Plastic Pipe End Plugs / Nylon Threaded Sealing Caps / End Cover - China Pipe Stopper, Pipe Insert | Made-in-China.com
Black Circular Plastic Pipe Plug Round Stopple Dust Protective Cover Non-slip Mat For Protection Steel Pipe Table and Chair Legs - AliExpress
Amazon.com: 1 Inch Round Plastic Plug, Round End Caps for Tubing Pipe OD 1" (not ID), Steel Chair Leg Protectors, Furniture or Fitness Equipment, Bar Stool Glides Inserts, Fence Plugs (12 Packs) :
4Pcs Plastic Square Pipe Plugs With M6 M8 M10 Nut Hole Rectangle Pipe Cover Furniture Leg Feet Tube Blanking End Inserts Caps - AliExpress
Pack of 10: 1-1/2" Round Plastic Tubing Plugs (10-14 Ga) 1.5 inch End Cap - Steel Furniture Pipe Tube - Chair Leg - Table Glide Insert | End Caps for Fitness Eqpt. by SBD - SB Distribution Ltd.
Amazon.com: (Pack of 4) 1-3/8" OD Round Plastic Plugs (14-20 Ga - 1.21" to 1.33" ID) - Hole Size | 1.375 Inch Head Dia | Furniture Finishing caps | Fitness Eqpt End
Made in USA 2" Inch (50mm) Round Rubber Plugs for Holes, Flexible Black Rubber End Caps, Hardware Plugs, Metal Tubing Post Rubber Cover Protective End Caps for Furniture by Prescott Plastics -
12 Pcs 1 1/4 Inch Round Plastic Plug Pipe Tubing End Cap Durable Chair Glide - Amazon.com