![Amazon.com: Prescott Plastics 1 1/2” (38.1 mm) Square Plastic Plug Insert, Black End Cap for Metal Tubing, Fences, Glide Protection for Chairs and Furniture (10 Pack) : Industrial & Scientific Amazon.com: Prescott Plastics 1 1/2” (38.1 mm) Square Plastic Plug Insert, Black End Cap for Metal Tubing, Fences, Glide Protection for Chairs and Furniture (10 Pack) : Industrial & Scientific](https://m.media-amazon.com/images/I/61dD6s+cnLL.jpg)
Amazon.com: Prescott Plastics 1 1/2” (38.1 mm) Square Plastic Plug Insert, Black End Cap for Metal Tubing, Fences, Glide Protection for Chairs and Furniture (10 Pack) : Industrial & Scientific
![Prescott Plastics 2" Square Plastic Hole Plugs, Square Tubing Inserts, Black End Caps for Metal Tubing, Fences, Glide Protection from Chair Legs and Furniture (50 Pack) - Walmart.com Prescott Plastics 2" Square Plastic Hole Plugs, Square Tubing Inserts, Black End Caps for Metal Tubing, Fences, Glide Protection from Chair Legs and Furniture (50 Pack) - Walmart.com](https://i5.walmartimages.com/asr/32d0b249-8cb1-4838-8e2b-49a8d279e9f8.a2184e2b73759b48474974381fd91e00.jpeg?odnHeight=2000&odnWidth=2000&odnBg=FFFFFF)
Prescott Plastics 2" Square Plastic Hole Plugs, Square Tubing Inserts, Black End Caps for Metal Tubing, Fences, Glide Protection from Chair Legs and Furniture (50 Pack) - Walmart.com
![Amazon.com: Prescott Plastics 2" (50.8 mm) Square Plastic Hole Plugs, 2x2 Square Tubing Inserts, Black End Caps for Metal Tubing, Fences, Glide Protection from Chair Legs and Furniture (4 Pack) : Industrial Amazon.com: Prescott Plastics 2" (50.8 mm) Square Plastic Hole Plugs, 2x2 Square Tubing Inserts, Black End Caps for Metal Tubing, Fences, Glide Protection from Chair Legs and Furniture (4 Pack) : Industrial](https://m.media-amazon.com/images/I/61GR-stN-dL.jpg)
Amazon.com: Prescott Plastics 2" (50.8 mm) Square Plastic Hole Plugs, 2x2 Square Tubing Inserts, Black End Caps for Metal Tubing, Fences, Glide Protection from Chair Legs and Furniture (4 Pack) : Industrial
![Amazon.com: 4 Pack 1 Inch Square Plastic Plug Tubing End Cap Suitable for Square Tube (Black-4Pcs) : Industrial & Scientific Amazon.com: 4 Pack 1 Inch Square Plastic Plug Tubing End Cap Suitable for Square Tube (Black-4Pcs) : Industrial & Scientific](https://m.media-amazon.com/images/I/516QWke+HdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 4 Pack 1 Inch Square Plastic Plug Tubing End Cap Suitable for Square Tube (Black-4Pcs) : Industrial & Scientific
![Amazon.com: EZends Premium Grade 1 Inch Square Tubing End Caps (10 PK) (14-20 Gauge for Thinner Wall Tubing) Plastic Plugs/End Caps/Plastic End Caps/Plastic Plugs for Square Tubing/Black Plastic Square Plugs : Automotive Amazon.com: EZends Premium Grade 1 Inch Square Tubing End Caps (10 PK) (14-20 Gauge for Thinner Wall Tubing) Plastic Plugs/End Caps/Plastic End Caps/Plastic Plugs for Square Tubing/Black Plastic Square Plugs : Automotive](https://m.media-amazon.com/images/I/61u7HKsiXEL._AC_UF894,1000_QL80_.jpg)
Amazon.com: EZends Premium Grade 1 Inch Square Tubing End Caps (10 PK) (14-20 Gauge for Thinner Wall Tubing) Plastic Plugs/End Caps/Plastic End Caps/Plastic Plugs for Square Tubing/Black Plastic Square Plugs : Automotive
![30x30MM - Square Plastic End Caps - 10PCS/50PCS - Buy Online | OzSupply - Hardware, Spare Parts, Accessories 30x30MM - Square Plastic End Caps - 10PCS/50PCS - Buy Online | OzSupply - Hardware, Spare Parts, Accessories](https://ozsupply.com.au/cdn/shop/products/16.png?v=1507700880)