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
Toolbox Lock Replacement - YouTube
Replacement Key SKU #003-HDL-KEY0010 for $11.19 by UWS Truck Accessories
Westway Locks Replacement 16MM (5/8") Tool Box Cylinder with Keys for Latch Toolbox Cabinet Pickup Truck Tool Box Control Box (Single Pack) : Amazon.co.uk: DIY & Tools