Wire Shelving Unit Steel Zinc-Plated Silver Overall Depth 24 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 250 lb Whole Unit Load Capacity 1 000 lb Number of Shelves 4 Shelf Adjustment Type Split Sleeve Shelf Adjustment Increments 1 in Shelving Configuration Standalone Adjustability Adjustable Includes (16) Plastic Split Sleeves (4) Posts with Levelers