Consumer clear pack, Grade 1 security Juno Combo pack contains 1 Juno entry knob and 1 SmartKey single cylinder deadbolt keyed alike. SmartKey cylinder eliminates traditional pins and springs. SmartKey cylinder provides instant re-key functionality. SmartKey cylinder is bump-resistant, higher pick-resistant lock. Included with each lock is the re-keying learning tool that allows the lock to be re-keyed in 3 easy steps. Fits all standard doors 1-3/8′ up to 2′. Standard adjustable backset 2-3/8′ – 2-3/4′. Requires 2-1/8 diameter lockset bore hole and a 1′ diameer latch hole. Combo sets are keyed alike in multiples of 4.