【Durable Plastic Square End Cap】Tubing post end cap are made of high quality plastic, wear-resistant, durable and long lasting; this chair leg foot cover cap can fit your most furniture and sports equipment protection. 【Tube End Cap Dimension】The size of the black plastic end cap is 50x50mm, it fits 50mm outer diameter square tube; the flexible ribs allow these end caps to hold firmly in place and also allow them to fit most 1" square tubes; Please measure your tube size before purchasing. 【Full Protection】These mini plastic pipe end caps can prevent scratches and noise, leaving no marks and helping to protect tile and wooden floors and furniture legs from damage. 【Wide Application】The square tube end caps are perfect for fence posts, patio furniture end caps, gate post covers, trailer frame ends, post rod ends, metal bike rack fittings, wrought iron finishing caps or any other square openings. Specification: Materials: Plastic Size: 50mm×50mm Color: Black Shape: Square Feature : The