8" pneumatic wheels allow these utility carts to cover all types of terrain. Carts can be pushed easily inside or outside. Two shelf unit features a flat top shelf and a tub bottom shelf with a 400 lb. capacity. Choose from Black and Grey. Handle molded into the top shelf for stability. Durable plastic construction. Two fixed & two swivel casters with brake. 11" shelf clearance. Ships UPS or USPS.