Part of the PACKOUT Modular Storage System - connects to all PACKOUT products. Rolling toolbox is constructed with impact resistant polymers, an industrial grade extension handle, 9 In. all terrain wheels and metal reinforced corners to provide up to 250 Lb. (pound) of weight capacity in harsh jobsite conditions. Features an IP65 rated weather seal to keep out rain and jobsite debris, metal reinforced locking point, interior organizer tray and a mounting location for the ONE-KEY TICK.