The Sumner 780351 ST-401 Grasshopper Pipe Dolly enables one person to lift up to 2,000 lb (907 kg) unassisted. Its special sliding chain block design accommodates long and short loads, carrying up to 20" diameter pipe, tool boxes, fittings, and valves. The rugged high-pressure tires and wheels allow for construction site mobility, and chains can be used to lock wheels for security. Length: 12 ft (366 cm), Width: 35 in (89 cm), Height: 40 in (102 cm), Weight: 155 lb (70 kg).