This chrome wire shelving unit base price is for a shelving unit with 4 shelves, you can add more shelves, wheels, liners if available. 72" H x 36" W x 18" D chrome wire shelving unit Finish Chrome: NSF certified - chrome plated shelving is the traditional wire shelving found in most garages, offices, closets, warehouses, kitchens and restaurants. each shelf has a weight capacity of up to 600 lbs. evenly distributed (note that due to the stress on the wheels/casters, weight capacity is reduced to 200 lbs per shelf if wheels/casters are attached). Please note that both the 72" poles and the 52" poles consist of a top and bottom piece connected by a threaded connector. Included screw-in leveling feet for height adjustments and stabilization of the unit.