Suitable for and DIY market devicesFor all home improvement and welding professionals. The thickness and depth of the thread meet the export standards. Has excellent thermal conductivity, ductility and corrosion . It is CNC lathe machined and its surface is covered with hard chrome. The hole is smooth, with no burr, and the internal thread is also smooth. The service life is more than twice longer than that of the cast copper pipe. Electrode for the copper material, a very small amount of impurities, especially phosphorus, arsenic, aluminum, etc., will greatly reduce the copper conductivity. Name: Welding Torch Part Kits Material:Brass, metal colour:Silver+black+gold Package Contents: 2 x Nozzle Holder MB 15/150 2 x Insulating Sleeve MB 14/15 / 150 4 x Gas Nozzle MB 14/15/150 10 x Electric Nozzle 1mm 1 x Multiple Key for MIG / Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.