Our door stop is the perfect solution for stopping doors banging against walls or furniture. It is simple to install into the floor of any room and is ideal for busy commercial premises where doors are constantly opened and closed. Made of solid stainless steel. These door stops have a black rubber buffer collar which prevents any damage or scratching to your doors.Strong and long-lastimg - This rubber bumper solved the problem of door opening too far and causing damage by running into furniture outside.Stainless steel rubber bumper door stopper well suited for entry-door duty and exuberant children. Heavy duty professional grade with very attractive finish. Fabulous door stopper - works great, solid build, easy install comes with mounting screws. If you needed something to hold out garage door open while carrying groceries or other stuff into the house. This floor door stopper would be good choice. Rubber gasket can protect door.You don't worry about the door was scratched.This door stop is awesome. It is tall enough the door didn't simply open over the door stop yet not too tall so as to look silly. And it look classy, it's in a dining room. The mounting post makes it a super well designed little device--and it is rock solid and precisely the unit to have if the application and design are what you are looking for.Would recommend drill about 0.4" hole on the floor for the enclosed sleeve anchor. The deep of the hole need about 4.5cm/1.77". Pls check the size and your floor before you purchase. They really stay put and if you have a modern house actually add to the style rather than looking like a brick in front of your door. The rubber bumpers keep your door/walls from getting scratched. Size: 3*4cm