Metro MetroMax i Double-Deep qwikTRAK Mobile Unit Kit (Model LBTM18X3) is a heavy-duty mobile dry storage solution for commercial kitchens and warehouses. It includes eight 74-inch polymer posts, six V-groove casters, an 18-inch center channel caster assembly, bumpers, tie bar brackets, and hardware for quick assembly. The shelves are sold separately. This durable, space-saving design is ideal for high-density, easy-to-move storage.