Highlights:Finish: Antique BrassKeying: K64 Way adjustable latch - Round corner strikeFor keyed exterior doorsBoth bell-shaped knobs lock or unlock by key outside or turn button insideInstalls in minutes with just a screwdriverFor use on interior doors where only a push/pull function is requiredSpecifications:Door Prep: 2-1/8" Cross Bore1" Edge Bore1" x 2-1/4" Latch FaceDoor Thickness: 1-3/8" to 1-3/4"Cylinder: 5-pinFaceplate: 1" x 2-1/4" round cornerStrikes: 2-1/4" full lip round cornerBolt: 1/2" throwHanding: Reversible for right or left hand doorsANSI/BHMA: Grade 3.Backset: 2-3/8" standard and adjustable 2-3/8" and 2-3/4" optional