SRS #2185 - HON F24 & F28, Vertical File Cabinet Lock Kit Kit includes lock with core and 2 keys Lock supplied keyed random key numbers (Keyed Different) Includes Adapter Plate for older style cabinets, and lock C-Clip Linkage for attaching to lift bar on cabinet This kit works with knockout measures 5/8" side to side (horizontal), and 3/4" top to bottom (vertical)