Maximize vertical storage and move heavy supplies where they are needed with this 6-tier rolling wire shelving unit. Built from heavy-duty carbon steel with reinforced 25.4 mm tubing, this rack supports up to 3,900 lbs. total, with up to 650 lbs. per shelf. Six independently adjustable V-shaped open wire mesh shelves organize tools, equipment, appliances, storage bins, and bulk supplies while keeping contents visible and accessible. Four 4 in. rubber casters provide smooth rolling movement and clearance over floor debris, while 2 locking wheels help keep the rack securely positioned. The detachable, reconfigurable design can also be separated into 2 shelving racks for flexible storage in different work areas. A black powder-coated finish provides a durable surface for garages, warehouses, workshops, kitchens, pantries, laundry rooms, stockrooms, and commercial storage areas. Clip-on shelves and stackable frame tubes support tool-free assembly in under 15 minutes.