Box pack entry knob with SmartKey cylinder. 6-way adjustable steel latch fits both 2-3/8" and 2-3/4" backsets. Round corner strike and latch. ANSI/BHMA Grade 3 security. 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. Lifetime mechanical/5 year finish warranty. Polished brass finish (3).