Specifications:Height: 9mm / 0.35-inchTotal Size: 22 x 22mm / 0.87-inch x 0.87-inch(L*W)Big Hole Diameter: 9mm / 0.35-inchSmall Hole Diameter: 4mm / 0.16-inchScrew Thread Size: 4 x 16mm / 0.16-inch x 0.63-inch (D*L) Package Contents:4 x Furniture Pads4 x Mounting Screws Features:1.The silicone feet bumper with a metal washer, more durable and extend the service life.2.The square silicone feet have a through-hole and a recess for mounting with screws(screws are included). Description:1.The silicone feet bumper with high elasticity, ageing stable, flame retarded, corrosion resistant and anti-static.2.The silicone feet can protect your beautiful hardwood, ceramic tile and linoleum floors from scratches and save your furniture feet, also can keep your furniture from moving or sliding around. 3.