Wire Shelving Unit, Steel, Zinc-Plated, Silver, Overall Depth 24 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