Carts feature 1-1/2" x 1/8" angle iron uprights for added strength. Shelves are heavy duty 14 gauge steel. Sturdy tubular push handle for ease of handling. Durable yellow Hook-On-Bins®. Top surface has 1-1/2" lips up. Louvered center panels accommodate Hook-On-Bins®. Rolls easily on 5" x 1-1/4" polyurethane bolt-on casters, (2) swivel with side brakes and (2) rigid. Ships fully assembled ready to use. Durable, gray, textured powder coat finish. FOB Shipping Point.