PREVENTS WALL MARKS & PROTECTS DOOR - This satin nickel spring door with rubber bumper will keep your wall and door protected.QUICK AND EASY TO INSTALL - First, mark where the stopper will go. Drill a hole. Unscrew the stoppers bottom to find the screw and drill a hole into the marked spot. Last, Screw the base mount to the wall and attached the door stopper. And voila, the door is ready for action!TOUGH DURABLE DESIGN - Our heavy duty satin nickel spring door stops are made of steel, and come individually wrapped to protect against any scratches.NOISE-CANCELLATION DESIGN - Our spring door stops keep the house peaceful, bringing you more comfort.RELIABLE QUALITY - If there is any quality problem, please feel free to contact us.