Signature Series Juno Combo Lockset 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. Finish Polished Brass, Keyway SmartKey, Backset 2-3/8 In. or 2-3/4 In., Latch Plate Round Corner Strike, Security Level Grade 1, Exterior Access Key, Interior Action Turn Button, Pkg Qty 1, Package Type Clamshell