Amazon.com: Truck Tool Box Locks, 2-Pack 5/8" Cylinder Key Alike Cam Lock Replacement Kit for Mounting in Trucks, Trailer, Rv Boxes, Mailboxes or Cabinets and Drawers, Fits on 0.39" (10mm) Max Door
Replacing Locks on RKI Truck Toolbox - YouTube
RKI - Commerical Grade Truck Equipment
RKI Steel Truck Box Model M54-1 | Forestry Suppliers, Inc.