Akro-Mils 30930 2 Shelf Plastic Utility and Service ProCart, 400 lb capacity, Small, Grey Even under its 400-pound maximum payload, the ProCart easily maneuvers around tight corners and through narrow aisles with 5-Inch non-marking wheels Built for years of rugged use, the ProCart is made of high-density polyethylene structural foam. The panels are dent-resistant, rust-proof, and never need painting Quickly and easily convert the ProCart to a flat-top or a box-top cart with one hand. Hinged side gates on both shelves flip up or down for different cart configurations. Tools aren't needed for these conversions Easy, one person assembly Made in the USA