Wire Shelving Unit Steel Chrome Silver Overall Depth 18 in Overall Height 69 in Overall Width 48 in Caster Wheel/Configuration (4) Swivel Caster Wheel/Tread Material Polyurethane Caster Wheel Diameter 5 in Load Capacity per Shelf 225 lb Whole Unit Load Capacity 1 100 lb Number of Shelves 4 Shelf Adjustment Type Quick-Adjust Shelf Adjustment Increments 1 in Shelving Configuration Standalone Adjustability Adjustable Post Shape Round Recommended Environments Dry