Weldflame Tungsten Electrode WC20 2.0% Ceriated (Grey) 0.040"-7" (1.0-175mm) This kit contains: 10pk WC20 2.0% Ceriated (Grey) Tungsten electrodes for TIG welding, 0.040" (1.0mm) by 7" length. 1 pc of each: 13N21,13N26 for WP9/20/25 TIG welding torch. 1 pc of each: 10N22,10N30 for WP17/18/26 TIG welding torch. 1 pc of each: ceramic cup #6 3/8":13N10,10N48. You get 16pcs welding parts in total.