C910-0925 TIG welding foot control pedal will upgrade your foot control for Harbor Freight Vulcan TIG welders with a 9-pin plug. Comes with 25 ft. cable. The foot pedal plugs into the 9-pin receptacle on your welder. Features heavy-duty steel housing, tough made-in-USA cable with added flexibility, low profile with wide base for stability and comfort, and industrial-grade potentiometer resolution for superior weld control. Simply press the pedal to activate the gas contactor and increase current; release the pedal to turn off the weld output and activate the afterflow cycle. CSA Certified and UL Listed to US and Canadian standards Designed and manufactured in the USA.