Three tub shelf utility cart featuring tubs that are 2-3/4" deep and have a 300 lbs. weight capacity. Includes four heavy duty 4‚Äù casters, two with locking brake. Casters are non-marring with grey thermal plastic rubber outer wheel, solid polypropylene inner hub. Dimensions: 24" L x 18" W x 40-1/2" H. Shelf clearance 12".