Wire Shelving Unit Steel Chrome Silver Overall Depth 20 1/4 in Overall Height 67 1/2 in Overall Width 38 in Caster Wheel Type Tread on Core Caster Mounting Type Stem Caster Wheel/Configuration (2) Swivel (2) Swivel with Brakes Caster Wheel/Tread Material Rubber Non-Marking Casters Yes Caster Wheel Diameter 5 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