LCK-1111 is a half mortise steel chest lock set with a steel catch plate. The lock faceplate mesures 1 9/16" high by 2 9/16" wide. The distance from the pin to the strike plate is 1". The strike plate is 2 9/16" long and 1/2" wide. This lock comes with one key. Half mortise locks mount on the inside of the door or drawer and are partially recessed into the wood. The back of the lock sits flush with the inside of the door or drawer and is exposed.