WeldingCity 2 TIG Welding Torch Collet Body 10N31 1/16" for Torch 17, 18 and 26 Premium quality TIG welding torch collet body 10N31 1/16" for torch 17, 18 and 26. Use with 1/16" Tungsten electrode. You get Two (2) 10N31 torch collet bodies at this price. We use U.S. Postal Service (USPS) as main carrier. Please provide a USPS deliverable address.