uxcell Plastic Chair Table Leg Tubing Pipe Insert Floor Protector 50mm x 50mm 20 Pcs Color: Black; Total Size: 50 x 50 x 15mm/2" x 2" x 0.6"(L*W*H) Material: Plastic; Net Weight: 216g Package Content: 20 x Square Tube Inserts; Product Name: Square Tube Inserts Battery Included: No; Hole Size: 40 x 40 mm/1.6" x 1.6"(L*W) Thread Size: 49 x 49mm/1.93" x 1.93"(L*W)