... .Material: Brass Material . 3.All kinds of Welding Torch automatic welding swan neck & other welding accessory series: 1. Binzel 15AK, 25AK, 24KD, 36KD, 40KD, 501D ... , 602 water-cooled welding torch .2. Panasonic: 180A, 200A, 350A, 500A water cooled welding torch ...