Lightweight, portability and versatility make the Rising Stem Valve Operator (RS-II) an ideal candidate for applications in the chemical, wastewater, petroleum and other industries. This multifunctional hand held machine will operate all rising and non-rising stem valves from 6-60" quickly and easily. Operator's versatility offers speed for opening and closing valves requiring several hundred turns and also power for valves requiring increased torque and slower rotation. Wachs, EH 100 Shepard St. Wheeling, IL, 60090