... , wear and tear, miscalculation in manufacture repair metal tools/ better than Spot welder, Arc welder / cold welder XKS-02 Cast Iron cold ... pressure casting dies, metal products, machine spare parts and other tools.2.Suitable defect can repair: Pin holes, gas hole, burring ... , flat surface, and etc.Welding part:Welding application: repair metal tools/ better than Spot welder, Arc welder / cold welder