Non-standard unlacquered brass mortise lock with strike plate and keys. The brass faceplate measures 6" tall by 7/8" wide and the brass strike plate measures 4" tall by 7/8" wide with a 5/8" tongue. The lock box measures 4 1/4" tall, 1/2" wide and recesses 3". The on center measurement from the door knob hub to the round part of the keyhole is a non-standard 2 1/2". The backset is a standard 2 1/4".