Very unusual Norwalk lock. Face measures 7 inches long. It is 1 1/4 inches thick mortise into the door measures 4 3/4 by just under 3 inches deep and is 5/8 inches wide marked Norwalk face of lock and strike plate are brass I believe lock is locked in Have not taken apart to look at selling as is extremely unusual parent Buyer pays $12 shipping in the 48 US states.