KES SUS 304 Stainless Steel Wall Door Stoppers Rubber Bumper Contemporary Safety Doorstop Sound Dampening Heavy Duty Brushed Finish, HDS214-2-P2 RUSTPROOF: Manufactured from T-304 premium-grade stainless steel, added 18/10 Chromium/Nickel content to protect against corrosion & rust. RUBBER BUMPER: Include a high quality concave rubber bumper. DURABLE FINISH: Brushed stainless steel finish, build to resist daily scratches and corrosion. EXTRA LARGE: 57 mm or 2.2-inch diameter, 25 mm or 1-inch projection. EASY INSTALLATION: Hardware pack included.