Kwikset Security, 665 5 CP RCAL RCS KA6, Antique 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, 5 Year Finish Warranty, Clear Pack, Lifetime Finish Warranty, Keyed Alike In A Case Of 6, Clear Pack.