... 30kg10.Acessories: One electrode gun, one earth wire, one argon connector, one power line, a Sun glasses, a package welding wire ... parts and other tools.2. Suitable defect: Pin holes, gas hole, burring, flash, bump, scuffing, edge chipping, pinhole porosity, crackle, ... wall or jamb, bottom, deep cavitiy, flat surface, and etc.Three different types of cold welding repairing machine with different power ...