National Hardware N183-632 V811 Door Stop/Lock in Brass Designed for use as a stop or a lock on swinging wood doors and sliding glass doors Can be locked or unlocked with your foot For a swinging door use the rubber stopper and attach the door stop 1 inch above the floor For a sliding door, attach the door stop  inch above the floor, remove the rubber stopper and drill a 1 inch deep hole for the pin to dig into Steel body with a die-cast zinc rod and rubber tip to stop your door from sliding Product can be operated by foot for easy opening and closing of doors 0 0