LCK-1110 is a steel half mortise chest lock. This set also includes one key as well as a cast brass catch. The overall measurment of the face plate is 2 1/4" long and 3 1/2" wide. The strike plate is 3 1/2" long and 9/16" wide. The distance from teh center of the pin to the strike plate is 1 1/4". Half mortise locks are mounted 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.