The Hoshizaki 4A5453-01 Reach-In Refrigerator Lock Key is a lock that uses a keyed system to either lock or unlock the panel or door it is attached to by turning internal tumblers. Once the appropriate cylinder turns and the latch can be retracted or extended and the locked state can be altered. It is fitted to the specified lock opening of compatible equipment, including access panel... https://partsfe.com/4a5453-01-hoshizaki-key-for-lock-4a4924-01