Description: The material is imported oxygen-free copper, the mold is processed accurately, heating fast.Lead-free soldering, stable ability Advanced nanotechnology for electroplating, anti-corrosion, anti-oxidation, long life, complete specifications, Suitable for the use of different types of soldering stations Suitable for most 936 soldering iron soldering stations on the market, strong versatility Material: copper Size: 6.5x6.5x42mm/0.26x0.26x1.65inch Package Includes: 1 Piece Welding Tips Note: 1. Color might be slightly different due to the color calibration of each individual monitor. 2. Please allow the tinny measuring deviation due to manual measurement.