Made of a stainless steel base with a rubber bumper. Prevents mechanical damage which may occur between the wall and the door. Base diameter is 48 mm, rubber diameter is 20 mm, and height altogether 22 mm. Screws: ø4.1 mm x 3. Same as above but for light weight door use. Made of rubber with an inserted screw for fitting. 35 mm in diam, and 20 mm in height.