Kwikset® 980-15-SMT-CP-K4 Signature Single Cylinder Deadbolt, Satin NickelAt Kwikset, we believe people shouldnt have to settle when it comes to home security. And the best security is smart security. The Kwikset Signature Series 980 deadbolt is both tough and attractive. It is BHMA ANSI Grade 1 certified the highest level of residential security. Round Corner Adjustable Latch Fits 2 3 8" & 2 3 4" Backsets. Finish: Satin Nickel Round corner adjustable latch fits 2 3 8" & 2 3 4" backsets Ball bearings to prevent drill out