uxcell Rubber Furniture Chair Feet Cover Floor Protectors 50Pcs Color: Clear White, Silver Tone; Total Size: 20 x 22mm/0.8" x 0.9"(D*H) Material: Rubber, Metal; Net Weight: 328g Package Content: 50(+/-2%)Pcs x Floor Protector,Some Screws; Product Name: Floor Protector Nail Dia(Approx): 4mm/ 0.16" Nail Length: 20mm/0.8"