Rare Cast brass or bronze flush mount entry slide bolt door latch by Nashua Hardware Co. in nice original condition , Latch can work at top or bottom of an entrance door typically found on double door entry doors. Back plate measures 1-1/8″ x 5-1/8″. Bolt length is adjustable and can extend from 8-1/4″ to 9″. Comes with receiver 1-3/8″ x 2-5/16″ . we will include brass mounting screws.