660-lb Capacity 4 -Wheel Silver Aluminum Standard hand truck

This 660-pound heavy-duty automatic stair climbing trolley is compatible with step heights less than 8.3, which improves the efficiency of moving goods, saves you time and money, and achieves more effective results. The electric trolley provides maximum control when ascending or descending any straight stair, locking and controlling the lift rail when the ascending or descending stair stops. Full load capacity 660 lbs maximum load capacity for transporting heavier cargo Transporting heavy loads up and down stairs is simple and safe and can be easily operated by just one person.This 660-pound heavy-duty automatic stair climbing trolley is compatible with step heights less than 8.3, which improves the efficiency of moving goods, saves you time and money, and achieves more effective results. The electric trolley provides maximum control when ascending or descending any straight stair, locking and controlling the lift rail when the ascending or descending stair stops. Full load capacity 660 lbs maximum load capacity for transporting heavier cargo Transporting heavy loads up and down stairs is simple and safe and can be easily operated by just one person.