... , miscalculation in manufacture repair metal tools/ better than Spot welder, Arc welder / cold welder XKS-02 Cast Iron cold welding repair ... .2.Suitable defect can repair: Pin holes, gas hole, burring, flash, bump, scuffing, edge chipping, pinhole porosity, crackle, abrasion, wear and ... part:Welding application: repair metal tools/ better than Spot welder, Arc welder / cold welder