Kwikse Juno Keyed Entry Door Knob Set with SmartKey Junos elegant and traditional style blends perfectly with most design styles. It has acquired an American National Standards Association Grade 2 housing heavy duty rating, known for its high industry standards. This single cylinder door knob set opens and closes keyed from the outside using the included key. From the inside, use the turn button on the knob to open and close the key. KEYS YOURSELF: With the included low profile tool, you can change the lock keys in less than 30 seconds without removing the lock from the door. Fully adjustable latch fits all standard door preparations ANSI/BHMA Grade 2 Safety Includes standard round corner strike plate, part number 83796 (strike plate attaches to door jamb). --Decorative round door knobs Kwik-Install provides quick and easy product installation Includes SmartKey for easy key replacement and more secure SmartKey: This technology allows you to easily change the lock by following three simple steps. Stainless steel racks, pins and side locking bars for added durability and safety. Manufacturer Model Number: Antique Brass: 97402-543, Polished Brass: 97402-542, Satin Nickel: 97402-544