WELDFLAME 2-pk Large Gas Lens Ceramic Cups 53N89 (#15) for All TIG Welding Torch TIG Alumina ceramic cup 53N89 for use with 9/17/18/20/26 torches. #15, 15/16" orifice,use with large diameter gas lens collet body. You get Two (2) 53N89 (#15) Alumina ceramic cup at this price. FREE SHIPPING within the U.S.