Lincoln Hand Amptrol Rotary Track Style 13.5 ft (4.1 m) (8 Pin) K963 5 purge bag system FlameSoft three layer design focused UNI 1020 FlameSoft three layer design focused on increased burn protection The Idealarc Undercarriage is a practical solution to enhance the mobility and convenience of your Idealarc DC400 and DC500 series welding machines Confirm the receptacle on your machine is 8 pin before ordering Lincoln also builds 6 pin and 12 pin Amptrols (K963 3 and K963 4) for other power sources Mounts Directly to the TIG Torch The Amptrol™ body straps onto the TIG torch handle so the current control sits under the hand that is already holding the torch