Stack Lock - Mount Compatible with Milwaukee Packout Organizers Size:Four Pack Securely hold all Packout organizers

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

400lb working load limit and 1200lb break strength

Not compatible with Roll-N-Lock covers

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

no problem

Stack Lock - Mount Compatible with Milwaukee Packout Organizers Size:Four Pack Securely hold all Packout organizersIntegral 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