Copper Soldering Gun Tip Bits

5 Pcs Soldering Gun Tips; Are made of copper coated with silver making them long lasting. They are replaceable. They are temperature recovery fast and are not easily oxidized. There are different shapes total 5 pieces, this set helps when soldering on different projects. Suitable for precision electronics but also drag soldering, DIP chips, Narrow Tip for Some Tiny Work, LED and board wiring High Quality Material - This solder iron tip made of high quality oxygen-free copper. Enhanced performance - Multi-layer nano plating process protects it from oxidation and corrosion. These tips heat quickly with cooper base, good ability to hang tin, not easily oxidized. Hole outer diameter is about 6.5mm Hole and inner diameter 4.2mm