Kwikset Security, 665 3 CP RCAL RCS KA6, Polished Brass Finish, Double Cylinder Deadbolt, 1" Diameter Round Corner Adjustable Deadbolt Latch Fits Both 2-3/8" & 2-3/4" Backsets, Round Corner Strike, Lifetime Mechanical Warranty, Lifetime Finish Warranty, Keyed Alike In A Case Of 6, Clear Pack.