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Copper creates a long life iron tip
It is mainly composed of four kinds of metal materials: copper, iron, nickel, chromium and tin. The inner layer is made of copper, which helps the tip to heat up rapidly. The outer layer is coated with iron alloy, which is more durable against corrosion. The double-layer process is nickel-plated to prevent growth. Rust, anti-aging.
High-quality copper, good tin-hanging ability and strong anti-oxidation ability. 380 degrees can weld 30,000 solder joints, long life!
Inner Diameter:6mm Outer Diameter:8mm