Signature Series, Satin Nickel Finish, Uptown, Round Single Cylinder Deadbolt With Smart Key Rekeying, Grade 1, 6 Way Round Corner Adjustable Latch Fits 2-3/8" & 2-3/4" Backsets, Ball Bearings To Prevent Drill Out, Exposed Screws, Keyed Alike In Sets Of 4, Lifetime Mechanical Warranty, Lifetime Finish Warranty, Clear Pack, Pair With Contemporary Lever Halifax Or Milan, 50% Lower Profile Than A Standard Deadbolt.