"This Quantum Industrial-Strength 2-Shelf Plastic Cart with tool holder is an ultra-tough, no-maintenance cart that withstands heavy-use industrial and commercial applications. Shelves qty. 2, Wheel Size in. 5 x 1 1/4, Material Type Industrial plastic, Wheel Type Two swivel and two rigid casters, Dimensions W x D x H in. 26 x 33 x 40, Total Capacity lbs. 550. Tool holder keeps tools organized and easy to access"