Flyshop Chair Table Legs Plastic Cap Ribbed Tube Insert 10 Pcs Round-22mm Item Name : Round Tube Insert;Material : Plastic Thread Diameter : 20mm/ 0.8";Bottom Inside Diameter:12.8mm/0.5" Top Diameter : 22 mm/ 0.87";Height:14mm/ 0.56" Weight : 35g Package Content : 10 x Round Tube Inserts