9371 or 665 series double cylinder deadbolt with adjustable latch venetian bronze finish. Re-key the lock yourself in seconds in 3 easy steps. Have you recently moved or had a child lose a key? It's time to re-key. SmartKey provides the highest level of residential security and features BumpGuard technology to protect against lock bumping. Double cylinder deadbolt, 1 inch diameter square corner adjustable deadbolt latch fits both 2-3/8 inch and 2-3/4 inch backsets, square corner strike, lifetime mechanical and finish warranty. Operated by key outside and inside. Security deadbolts feature full 1 inch solid core throwbolt, all metal mechanisms, anti-pry shield and pick resistant 5-pin system. Door prep: 2-1/8 inch crossbore; 1 inch edge bore; 1 inch by 2-1/4 inch latch face. Backset: Adjustable 2-3/8 inch to 2-3/4 inch. Door thickness: Fits 1-3/8 inch to 1-3/4 inch doors. Cylinder: 5-pin. Faceplates: 1 inch by 2-1/4 inch round corner. Strikes: 1 inch by 2-1/4 inch square corner. Bolt: 1 inch throw. Handing: Reversible for right or left handed doors. Ansi/bhma: Grade 3. Bump proof and pick resistant. Clear pack.