Kwikset Single Cylinder SmartKey Deadbolt Box pack. Grade 3 security. Polished brass finish 3 . Adjustable latch AL , interchangeable for 2-3/8 or 2-3/4 backsets with round corner face and round deadbolt latch. Key retracts bolt from exterior, turn piece operates bolt from interior. SmartKey cylinder eliminates traditional pins and springs. Cylinder design provides instant rekey functionality. SmartKey cylinder is a bump-resistant, higher pick-resistant lock. Included with each lock is the rekeying learning tool that allows the lock to be rekeyed in 3 easy steps. Full lifetime mechanical warranty. 5 year finish warranty. Polished brass 3 . Finish Polished Brass, Cylinder Type Single, Keyway Pin and Tumbler, Backset Size 2-3/8 or 2-3/4 , Exterior Access Key, Interior Action Turn Piece, Security Level Grade 3, Pkg Qty 1, Package Type Box