To determine the handing of a door lock, stand outside (the side requiring a key if applicable) the room or building facing the door:
• Hinges are on your left and the door swings away from you = LH: Left Hand
• Hinges are on your right and the door swings away from you = RH: Right Hand
• Hinges are on your left and the door swings toward you = LHR: Left Hand Reverse
• Hinges are on your right and the door swings toward you = RHR:
Right Hand Reverse For more information see our door handing page.