This Hinge Pin Door Stop from DoorSaver incorporates an ultra-low-profile design replaces the hinge pin to create bumperless protection for doors and trim. DoorSaver II is simple to install, looks great and stays in place without "working up." Be sure to have at least 0.25 inch space between your trim and the hinge barrel. The two cams need to contact the hinge plate on both sides in order for the products to perform optimally.