Durable 16-gauge rivet-lock steel shelving includes three different size yellow polypropylene bins. Open bin front for better visibility and access. Wire shelves with rails keep bins in place. Shelves adjust on 1-1/2" increments. Four casters, two with brakes for easy mobility. Holds up to 500 lbs. of evenly distributed loads. Tough powder coated finish in black. Includes: (9) Large bins: 10-1/2"W x 15"D x 6"H, (12) Medium bin: 7-1/2"W x 15"D x 6"H, (15) Small bins: 6"W x 15"D x 3"H.