This consumable kit is specially used for 15AK torch welding. Features: Torch nozzles are important accessories in the front of the welding torch. High quality materials, durable and practical. Easy to assemble and use. Electrode clip for the copper material, a very small amount of 39;impurities, especially phosphorus, arsenic, aluminum, etc., will greatly reduce the conductivity of copper. Has good thermal conductivity, ductility and corrosion resistance. Features: Material: Bakelite / Steel / Copper / Brass Item Size: Conductive Nozzle: 24* 6mm / 0.94 * 0.24in Insulation sleeve: 18 * 16mm / 0.71 * 0.63in Connecting rod: 41 * 13mm / 1.61 * 0.51in Torch nozzle: 53 * 17mm / 2.09 * 0.67 in Package Weight: 210g / 7.41ounces Package Size: 150 * 100 * 30mm / 5.91 * 3.94 * 1.18in Packing List: 4 * Welding Torch Nozzles 2 * Insulating Sleeves 2 * Connecting Rods Conductive Nozzles 10*0.8 mm 1 * other tool