[Stable Material] Crafted from phosphor copper for reliable performance during air conditioner and refrigerator welding. [Efficient Welding] 2.5mm diameter rods ensure precise welding for copper tubes, enhancing productivity in your projects. [Easy to Use] Comes with 20pcs, these rods allow simple installation and convenient replacement when needed. [Versatile Application] Ideal for use in electromechanical instruments, suitable for various copper welding tasks. [Sufficient Length] Each rod measures 25cm, providing ample material for effective welding in tight spaces., Manufacturer: Badafaci