Durable and lightweight, the Ultimate Sheet Pan Rack for Single Shelf is the first ever plastic sheet pan rack designed for single shelf installation. With a lifetime warranty against rust and corrosion, the Single Shelf Rack supports 40 lbs per rail set, up to 200 lbs per unit. Use to free up use of mobile speed racks in the kitchen and maximize storage in walk-in coolers, freezers, and/or work prep stations. Heat-tolerant rails accept sheet pans straight from a 350F (176C) oven, holding up to six full size or twelve half size sheet pans.