Door Prep Backset Door Thickness Deadbolt: 2-1/8" or 1-1/2" Edge Bore 1". Latch Face 1" x 2-1/4". Handle: Cross Bore 2-1/8". Edge Bore 1". Door Handing Deadbolt: Adjustable to 2-3/8" or 2-3/4". Handle: Adjustable to 2-3/8" or 2-3/4". ANSI/ BHMA 1-3/4" doors standard. 2-1/4" doors optional. Not designed for use on 1-3/8" doors. Cylinder ADA SmartKey UL 1" x 2-1/4". Specify round corner, square corner or drive-in. Faceplates Strikes Bolt Deadbolt: 1" x 2-1/4".