Mortise dead bolt lock with a 1 3/4" back set complete with 2 skeleton keys. This item is un-lacquered brass. The brass face plate measures 4 1/2" tall by 7/8" wide and the strike plate measures 2 3/4" tall by 1 1/8" wide. The mortise lock box measures 2 3/4" tall, 2 1/2" in depth and 1/2" thick.