Constructed of 14 ga. cold rolled steel. Expanded metal sides and back. Durable steel construction supports loads up to 2000 lbs. Base has lip-up for product retention. Features convenient push handle. Easy, smooth rolling on 6" x 2" phenolic bolt-on casters - 2 swivel, 2 rigid. Casters are 2,000 lb. capacity. Sides and back extend 48