Heavy lifting accounts for 20% of all workplace injuries. The LM-500 provides the operator with a safe and easy way of removing or installing the heavy-duty tire/wheel assembly on today's commercial vehicles, trucks, and vans. The LM-500 uses steel rollers with quality bearings so the tire assembly can roll with easy for lug nut alignment. Four quality swivel casters, two with brakes provides maximum maneuverability while operating under maximum load. The LM-500 is made in the U.S.A.