3 Styles for Option: 15AK Nozzle: It is compatible with 180A Euro Style MB 15AK/14AK MIG Welding Torch. Length: 53mm (2.09”). Front Hole ID: 12mm (0.47”). 24KD Nozzle: It is compatible with 230A Euro Style MB 24KD MIG Welding Torch. Length: 63.5mm. Front Hole ID: 12.5mm. 36KD Nozzle: It is compatible with 320A Euro Style MB 36KD MIG Welding Torch. Length: 84mm. Front Hole ID: 16mm. Please choose.