The conductive welding nozzle features excellent thermal and electrical conductivity, ensuring efficient and easy material welding. The snap-on gas diffuser is made of brass, making it easy to plug in and pull out. The high-quality material ensures resistance to high temperatures, corrosion, and provides durability. The for MIG welding contact tip is crafted from premium red copper, featuring strong electrical conductivity, good wear resistance, and a high melting point to ensure smooth wire feeding. The for MIG welding gun kit fits precisely with for Hynade MIG135FX and MIG145FX welders, effectively enhancing work efficiency and welding performance. 20pcs Contact Tips (0.040Inch), 2 pcs Gas Nozzles, 2 pcs Gas Diffusers. In total, this for MIG Welding Gun Kit includes 24 pieces of welding torch consumable parts. Specification:0.040Inch Colour:As Shown Material:brass Package Contents: 1set * for mig welding accessories Only the above package content, other products are not included. Note: Light reflection 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.