Wire Shelving Unit Steel Powder Coated Black Overall Depth 18 in Overall Height 68 in Overall Width 60 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