WeldingCity 10 Alumina Ceramic Gas Lens 54N16#6 for TIG Welding Torch 17, 18 and 26 Premium quality TIG welding torch Alumina ceramic gas lens cups 54N16 #6 for torch 17, 18 and 26. Use with 45V series gas lens collet body in torch 17, 18 and 26. You get Ten (10) Alumina gas lens cups 54N16 #6 at this price. We use U.S. Postal Service (USPS) as main carrier. Please provide a USPS deliverable address.