1、INCLUDED TOOLS: Includes gas lens and nozzles, insulating glass cup, washers, electrode, tungsten needle clamps, etc., which can be used and replaced at any time. 2、APPLICABLE MODEL: This welding consumable kit is suitable for all 17 and 26 series air cooled torches and 18 series water cooled torches, with strong compatibility. 3、STANDARD SIZE: These welding accessories come in standard sizes and reasonable specifications, with fine craftsmanship, which are great replacement parts. 4、GOOD PERFORMANCE: Gas lens to provide good coverage and reduce argon consumption, temperature resistant O rings can provide a good sealing, with long service life. 5、STORAGE BOXES: Equipped with 2 storage boxes to store these welding accessories separately, providing good protection for accessories and easy access.