Designed to withstand heavy-duty applicationsConstructed of 18-gauge steel frame with 16-gauge 1" square tubing, and 22-gauge steel shelves.Includes 3 flat shelves. Middle shelf clearance is 12"; bottom is 11 1/2".Features 8" tires (2 swivel and 2 fixed) for easy mobility over rough surfaces indoors or on outside terrain. Protective angled rubber bumpers are placed at the bottom of each corner.Side bin 22H x 18 1/8W x 4"D is designed to hold optional nylon cover (part number 891238). Cover is water-resistant with a zippered side for easy access, and features a clear vinyl side pocket that accepts up to 8 1/2 x 11" papers for identification purposes. Cut-out allows handle to be accessed when cover is in use.Ships via Truck. FOB: MNAvailable in black only.Overall dimensions: 50H x 56W x 22"D