Feature:1. HIGH THERMAL CONDUCTIVITY: The surface of the soldering iron tip adopts multi layer nano electroplating process, which has high thermal conductivity, corrosion resistance and oxidation resistance2. COPPER CORE: This is an internal heat soldering iron tip, which uses copper core, possess fast heat conduction and easy soldering3. HIGH SAFETY AND STABLE PERFORMANCE: Soldering iron tips come with high safety and stable performance, easy to carry and clean4. STRONG VERSATILITY: Compatible with for Hakko 936, 937, 907, for Radio Shack 64‑053, for Atten, for Quick, for Aoyue, for Yihua and for Vastar etc., and also many other types of welding stations, very versatile5. LONG SERVICE LIFE: Copper soldering iron tips provide smooth tin apply and remove, strong versatility, and long service lifeSpecification:Item Type: Soldering Iron TipsMaterial: Copper + ironPurpose: Soldering iron tip Package List:5 x Soldering Iron TipsNote:When soldering iron tip is used up, please do not touch the tip of the soldering iron with your hands.