Elements collection . For use on exterior doors where keyed entry and security is needed . Single cylinder deadbolt can be locked or unlocked by a key on the outside or by the turn piece on the inside . Features SmartKey re-key technology; re-key the lock yourself quickly and easily . ANSI/BHMA Grade 3 certified . Features adjustable latch to fit standard door preparations . 1" deadbolt throw . Universal door handing; fits both right handed and left handed doors . Fits door thickness: 1-3/8" to 1-3/4" . ADA compliant . Easy installation . Satin nickel finish . Includes: 2 x keys