Kwikset® 985-3-SMT-CP-K4 Signature Double Cylinder Deadbolt, Polished BrassAt 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: Polished Brass Round corner adjustable latch fits 2 3 8" & 2 3 4" backsets Ball bearings to prevent drill out