Swan neck: Mig/CO2 welding parts 1.Binzekl Type Swan Neck 2.Material: Brass Material 3.15AK, 25AK, 24KD, ... Torch welding torch & welding accessory series (Binzel welding swan neck):1. Binzel 15AK, 25AK, 24KD, 36KD, 40KD, 501D, 602water-cooled welding ...