... details of wire connection cold welder:ModelSD-10 Hand Held Cold WelderProduct PurposesUsed in copper, aluminum, gold, silver, nickel, platinum, zinc ... , tin, tantalum, niobium and so on non-ferrous metal and their partial alloy wire rod cold weldingClamped Wire RangeCopper ... × Height190mm×50mm×60mmFrame TypeAccurate die castingProduct net weight0.7kg wire connection cold welder