5 Pin Tumbler Mail Box Lock, American Device, Die Cast Cylinder With Nickel Plated Face, Brass Pins, Plated Steel Cams, Spring Steel Locking Clips, Replaces American Device Locks, Direction To Open Is 90 Degree Counter Clockwise, Locked Position Is Left, Lock Length 7/16", Cam Length 1-7/16", Includes 1 Lock & 2 Keys.