The Grainger 16ZD54 Bumper Door Stop is a door-mounted door stop made of rubber and steel. It has a diameter of 1-1/4", projects 2-1/2" from the door surface, and withstands up to 100 lbs of holding force. This door stop features a mounting bracket that attaches to the door's surface with two included screws. It has a black finish and is designed to protect walls and door surfaces by absorbing the impact of a swinging door. This product can be used in residential, commercial, and industrial settings on wood or metal doors. It is made in the USA.