PREVENTS WALL MARKS & PROTECTS DOOR - This white spring door stop 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 stop is ready for action! TOUGH STRONG DESIGN - Our heavy duty white 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.