Wire Shelving Unit Steel Chrome Silver Overall Depth 24 in Overall Height 72 in Overall Width 48 in Caster Wheel Type Tread on Core Caster Mounting Type Stem Caster Wheel/Configuration (2) Swivel (2) Swivel with Brakes Caster Wheel/Tread Material Polyurethane Caster Frame Material Steel Non-Marking Casters Yes Caster Mounting Height 8 1/4 in Caster Stem Length 2 3/16 in Caster Wheel Diameter 5 in Caster Wheel Width 2 3/8 in Load Capacity per Shelf 150 lb