HEAVY-DUTY DOOR STOPPER >> Protect your walls and door frames from getting damaged by installing a hinge pin door stopper. The durable stopper installs directly into the door hinge. It prevents door knobs from leaving marks on your walls. RELIABLE DURABLE MATERIAL >> The product measurements are as follows: 2-1/2 (Projection), 5/16 (Diameter Hinge Pin), 1-13/16 (Adjustable Rubber Head Screw). Each stopper has a rubber stop and a plastic spacer. CONVENIENT TO INSTALL >> No drilling needed, it will only take a few minutes to mount. To keep these stoppers in place, pull the hinge pin from one of the door hinges then slide the pin into the stopper and put the hinge back. SECURE AND HIGH-QUALITY >> The door stoppers are perfect for long-time use. It is made with heavy-duty metal with a smooth polished surface. The screw is adjustable and the tips are soft and wont leave any dents. DOOR AND WALL PROTECTION >> Protect your precious wallpapers and save money by using a door stopper. Effectively prevents damages by preventing doors from slam