Stack Lock - Mount Compatible with Milwaukee Packout Organizers Size:Four Pack no problem

no problem

Bolts directly to the factory bedside rails and the Integral Panel

Securely hold all Packout organizers to the rear bedside of your Super Duty

Bedside Panel Drop Bracket Kit: Drop your Integral Panel into the bed by up to 1

Note: Half panel does not include a lock

Stack Lock - Mount Compatible with Milwaukee Packout Organizers Size:Four Pack no problemIntegral Stack Lock A purpose built keyed, locking device to secure and lock full Packout organizer stacks. Secures and stabilizes any Packout with side rails. Two Versions: Unistrut and E Track mount options available. Unistrut Design: Compatible with Unistrut or other universal rail systems. 1 5 8" width Unistrut is required with a minimum length of 26. 25". Any depth is okay. 26. 25" of Unistrut length is required per locking kit. Comes with track