Check the listing for details. TIG Wire feeder,TIG Pen. Condition: New. Listed at 17.89 USD. TIG Wire feeder:EZ Feed PATENT PENDING. U.S. Provisional Application No. 63/376,361 *Hand TIG wire feeder design by a welder for fellow welder. * Professional or beginner TIG welder, this wire feeder will make your day easy. *More control and hand stability needed to lay that pretty bead. *It allows to intuitively feed the wire by the thumb just like TIG welders do naturaly. *It has a tensioner inside to hold the wire.The wire can only move if the welder want to. *It allows to have a direct contact with the wire *Excellent for 1/8" inches and 3/32" inches wire. *This is also very good for Pipe welders especially on the Root Pass when Back Feeding and have a need to constantly keep the wire connected to the puddle. This is done by resting the cup inside the bevel for more stability. *Continuous wire feeding *Less fatigue *It feels very comfortable in left or right hand