"This Vestil nestable/stackable storage rack saves space while maximizing storage capacity. U.S.A. Image shown represents two stacked units this item sold as single unit. Material Welded steel, Dimensions W x D x H in. 48 x 48 x 48 usable, 57 x 54 x 58 overall, Shelves qty. 1, Capacity lbs. 4,000, Color Blue, Product Type Nestable/stackable rack units. 4in. underclearance allows for easy fork truck accessibility Units can stack up to 20 feet high Sturdy, welded construction for strength and stability Special redundant stacking systems allow units to be nested for compact storage when not in use Flared posts, pintle and target make it easy to line up units for stacking"