8875 mortise lock devices for all types of single or double doors, UL listed for accident hazard installations. Fits stock hollow metal doors with 86 cutouts and door stiles as narrow as 4-3/4" (121mm). Crossbar length 42" (1067mm) field sizeable Strike: Device is furnished with standard 575 strike in dull black. Dogging Feature: Hex key dogging standard All necessary mounting fasteners are included. Latch Bolt: 3/4" (19mm) throw latch bolt Dimensions Crossbar height to finished floor - 36 13/16" (935mm) at center Latch bolt height to finished floor - 40 3/32" (1018mm) at center Crossbar projection: neutral - 4 7/8" (124mm), depressed - 4" (102mm) Lock stile case: 8-1/4" x 2" x 15/16" (210mm x 51mm x 24mm) Hinge stile case: 6" x 1 3/4" x 15/16" (152mm x 44mm x 24mm) Crossbar tubing: 1" (25mm) Lock case : 4 5/8" x 5 3/4" x 1 3/16" (117mm x 146mm x 46mm) Face plate: 1-1/4" x 8" x 7/32" (32mm x 203mm x 6mm) Cylinder backset: 2-3/4" (70mm)