PWHC1000u 1 Ton Electric Chain Hoist Power Trolley 20 ft. G80 Chain M3/H2 110120V. Optional variable speed trolley with potentiometer. Heavy duty, durable G80 Chain. Key safety features such as up and down limit switches, emergency stop, and automatic brake system. Meets US and EC Standards ASME HST-1, ASME B30.16,Read More