These bright shiny chrome plated units are as versatile as they are practical. Four sturdy 18″ x 36″Wire shelves have full shelf length center supports for outstanding strength. Shelves are adjustable in 1 increments. Each shelf can hold up to 500 lbs. of evenly distributed weight. The units come with adjustable feet to insure the necessary stability when being installed. This unit is NSF approved. Easy to assemble without tools.