Wire Shelving Unit, Steel, Powder Coated, Black, Overall Depth 18 in, Overall Height 68 in, Overall Width 36 in, Caster Wheel/Configuration (2) Swivel, (2) Swivel with Brakes, Caster Wheel/Tread Material Polymer, Caster Wheel Diameter 3 in, Load Capacity per Shelf 150 lb, Whole Unit Load Capacity 600 lb, Number of Shelves 4, Shelf Adjustment Type Split Sleeve, Shelf Adjustment Increments 1 in, Shelving Configuration Standalone, Adjustability Adjustable, Post Shape Round WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)