The Power Jack is a versatile tool (with the flick of a lever) that will lift, or pull 7000 lb. Great for cable, wire, and belt tension jack - construction and maintenance. Quick disengaging when not under load. Rugged, efficient. Saves man-hours and out-of-service time. Lifts equipment, small buildings, and trucks. Pulls machinery and lifts or lowers for installation or maintenance. Many other uses when used with chain or cable.