WeldingCity 2 TIG Welding Torch Medium Back Caps 57Y03 for Torch 17, 18 and 26 Premium quality TIG welding torch medium back cap 57Y03 for torch 17, 18 and 26 You get Two (2) 57Y03 back caps at this price. We use U.S. Postal Service (USPS) as main carrier. Please provide a USPS deliverable address.