Signature Series, Polished Brass Finish, Double Cylinder Deadbolt With Smart Key Rekeying, Grade 1, Round Corner Adjustable Latch Fits 2-3/8" & 2-3/4" Backsets, Ball Bearings To Prevent Drill Out, Concealed Screws, Keyed Alike In Sets Of 4, Lifetime Mechanical Warranty, Lifetime Finish Warranty, Clear Pack.