A Valve Operator provides power to make valve turns easy. This portable and economical tool is great for preventive maintenance in valve exercising. Individuals working alone can isolate a leak by shutting multiple valves with this time-saving tool. VOK 700PDCC uses electricity to drive the clutch whereas pneumatic VOK 700APD uses compressed air. The VOK CC clutch with digital counter applies up to 150 ft-lbs of torque and disengages when torque exceeds preset value. The clutch accepts 1” square shafts. The included Valve Key extends from 4 to 9 feet and recommended operation is at chest height for best leverage.