Norwood Commercial Furniture's Adjustable-Height Steel Cart features movable shelves and a heavy-gauge steel frame. Four durable swivel casters give you plenty of mobility; two casters lock to add stability to the base. Adjust the height of the cart to better suit your storage and transport needs. A textured, black powder coat finish protects the frame from damage and an included rubber mat keeps your items in place. The built-in three-outlet power strip gives you mobile electrical capability. Backed by a lifetime warranty.