For hall and closet, all interior doors where a simple latch is all that is required Both bell-shaped knobs always free; no locking mechanism DOOR PREP: 2-1/8 Cross Bore, 1 Edge Bore, 1 x 2-1/4 Latch Face BACKSET: 2-3/8 standard and adjustable to2-3/8 or 2-3/4 optional DOOR THICKNESS: 1-3/8 to 1-3/4 CYLINDER: 5-pin FACEPLATE: 1 x 2-1/4 STRIKE: 2-1/4 full lip BOLT: 1/2 throw HANDING: Reversible for right or left hand doors ANSI/BHMA: Grade 3 BOXED Round Corner Latch & Strike Finish=Polished Brass