The Amptrak remote current control provides remote on-off control of the welding machine contactor and/or gas and water solenoid control, as well as full range remote current output control. A built in strain relief prevents the control cord from being pulled out or damaged. The Amptrak remote current control can be ordered built into a CK torch handle as original equipment or in the Velcro model where one size fits all. . Linear slide actuator for complete on/off and full amperage control. Built in handle or Velcro strap design to fit all TIG torches. Adapts to most standard TIG power supplies. Protected against high frequency.