Bench cabinets are constructed of 14 gauge steel. Convenient sturdy work surface with back and end stops on the work surface prevents parts from falling off during transport (MT units not included). Tubular handle for easy maneuverability. Cabinet doors have a 3 point locking system with 4 keys. Rolls smoothly on 5" polyurethane bolt-on casters, (2) swivel with side brakes and (2) rigid. 36"W model has 1,200 lbs. capacity. 48"W model has 2,000 lbs. capacity and includes a floor lock to keep the unit in place while you work. FOB Shipping Point.