Kwikset Security, 660 15 CO KA6, Satin Nickel Finish, Single Cylinder Deadbolt, Grade 3, Round Corner Adjustable Steel Latch Fits Both 2-3/8-Inch & 2-3/4-Inch Backsets, Round Corner Strike, Lifetime Mechanical Warranty, Lifetime Finish Warranty, Keyed Alike In A Case Of 6, Clear Pack.