2pcs TIG Welding Torch Teflon Gasket Insulators 53N66 for Torch 9, 20 and 25 Premium quality TIG welding torch Teflon gasket insulators 53N66 for torch 9, 20 and 25 You get Two (2) 53N66 gasket insulators at this price. We use U.S. Postal Service (USPS) as main carrier. Please provide a USPS deliverable address.