Cylindrical Floor Door Stopper Black Door Stops for Wall Stainless Steel Heavy Duty Door Stop with Soft Rubber Buffer for Door and Wall Protector Floor mounted door stop can effectively stop heavy doors and protect your doors, walls and furniture from slamming doors, modern door stopper black will blend naturally into your home. Floor Mount Door Stop Stainless steel door stopper with wide and thick rubber buffer ring, usually used as door stops for floor and easy to install on the floor with 2 types of mouting harware.Solid doorstop can be installed with screws and anchors, recommend to drill 2 holes with a 6mm drill bit, suitable for baseboards, wood, drywall, etc.Floor door stop black can also be installed with expansion bolt, recommend to drill 1 hole with an 8mm-9mm drill bit, ideal for ceramic tile, concrete or brick.