The 7835YA-04-KD USPS Mailbox Lock cylinder operates both the old and new style U.S.P.S. (post office) boxes. Designed for durability, these cylinders are assembled with a bottom cam (for older style boxes), a rear cam and mounting screws are included for newer style boxes. Lock supplied keyed different with 2 keys each. Uses the 999A Y2 key blank.
