Wire Shelving Add-On Kit, Gray Color, Epoxy Coated, Includes (2) Posts, (8) S Hooks, Includes Mounting Hardware No, Load Capacity per Shelf 800 lb, Material Steel, Mounting Hardware Required No, Overall Depth 18 in, Overall Height 74 in, Overall Width 48 in, Dry, Wet Recommended Environments, 3,200 lb, Shelf Configuration Add-On, Number of Shelves 4