... ,to realizes the member atomic structure connection principle, thus welding varieties of non-ferrous metal material . Model Long hand Cold SZ-2C ... Application Widely used in the cold welding for the wire of copper, aluminum, gold, silver, nickel, Platinum, zinc, Tin, niobium ... 30mm-ф1.30mm Aluminium: ф0.30mm-ф1.50mm Structure Made of aluminium alloy,lightly and durable Advantage No power, no change ...