Astro 8202 Universal Welding Cart Heavy duty steel construction and heavy duty casters (two 7-1/2-inch fixed and two 3-inch swivel) 3 shelves for easy access to supplies Top shelf size: 17-3/4-inch (L) by 11-1/2-inch (W) and bottom shelf size: 27-1/2-inch (L) by 11-1/2-inch (W) Weight Capacity: 176-pound Approximately