Description:1. Welding is not wasteful, more precise, and the sealing plug can be reused many times after use. 2. Suitable for welding on metals such as general instruments, meters, tubes, tin, iron etc. 3. After reflow, there is little residue, light color, no corrosion, high impedance, high purity, long lasting viscosity, bright solder joints after soldering. 4. Suitable for sensor, wire, SMT repair, circuit welding, tablet phone computer repair, home appliance repair.Features:. No cleaning . Easy to solder . High activity . Free 2 needles + Push rod . No resistance . No conductivity . No repair . Strong activity . Bright solder jointsUses:. Phone repair . Mobile phone chip welding . Appliance repair . BGA tin planting . Repair and desoldering . Component welding