Sand Cast Distressed Traditional Square Single Cylinder Deadbolt With Cover : Solid brass cylinder and hardened steel bolt. Comes with a 2 3/8 inch backset. 2 3/4 inch backsets are available upon request. This deadbolt uses a Schlage C Keyway and uses a standard door preparation. Comes with strike plate and mounting hardware. Available finishes include Medium Bronze, Tumbled White Bronze and Flat Black.