This product features a robust, industrial-duty design made from 16-gauge steel with six-inch by two-inch phenolic casters, consisting of two rigid and two locking swivel casters. A secure three-point locking system is equipped with a keyed handle and lock rods, accompanied by four included keys for convenience. The addition of a side handle facilitates effortless maneuverability. The louvered panels on the back are fully welded to provide support, allowing Hook-On-Bins and adjustable shelves to be installed without tools, sitting securely on 4-inch centers. No assembly is required. Durham's Hook-On-Bins come included with no tool installation necessary. A textured gray powder coat finish is also featured. Options include three bin colors: Red (-1795), Blue (-5295), or Yellow (-95). Freight On Board (FOB) Shipping Point applies.