DCDEAL 8 Pcs Furniture Instrument Anti-slip Shockproof Rubber Chair Table Leg Foot Cover Protector Grip Material : Rubber Colour : Black Diameter : 19.5mm ; Height : 8mm ; Mounting Hole Diameter : 3mm ; A metal washer is incorporated in the moulding which prevents the fixing screw head from pulling through the foot. Package Includes : 8 PCS x Anti-slip Shockproof Rubber Foot