TIG Alumina Gas Lens Nozzle Long Kit 54N18L 54N17L 54N16L 54N15L 54N14L @ one Fit SR DTA DB WP 17 18 26 TIG Welding Torch 5pcs Fit QQ300 DB PTA SR WP CK 17 18 26 TIG Welding Torch TIG Alumina Nozzle Gas Lens Ceramic Cup 54N18L 54N17L 54N16L 54N15L 54N14L Each one