Premium Round Door Stop - 304 Stainless Steel Construction, Mounted directly onto the ground, Special Steel Durability Mounting Post, Rust Proof and perfect for outdoor use. APPEARANCE - Our QT Premium Modern Door Stop makes an excellent addition to any home or office. Not only does our Doorstop look modern it is extremely functional. This door stop mounts directly onto the ground. APPLICATIONS - Our Modern Door Stop is designed for both home and office use. Due to our unique design our Door Stop has a steel durability post that is connected to the Stop an inserted into the mounting surface. This durability post gives extra stability our Door Stop. MATERIALS - One of our biggest advantage over our competitors is that our Door Stop is made from 304 Stainless Steel versus nickel coated alternatives. Our use of the finest 304 Stainless Steel ensures the durability of our doorstops. In addition our mounting kit is also made of Stainless Steel which makes the QT Modern Door Stop extra sturdy. Each of our Door Stops has a black, non-skid rubber bumper which ensures protection of doors. DIMENSIONS - Diameter 1 3/4 inches , Height 1", Door Clearance 1.8 inches, W 2.4 ounces USA WARRANTY - 100% SATISFACTION GUARANTEED - Customer satisfaction is our highest priority. All of our products are protected by QT Home Decors One-Year Worry Free Warranty. You can reach our customer service Mon-Fri, 9-5PM EST, at (949)342-5229. We love hearing from you.