Feature:1. Compatibility: Suitable for TS100 or 101 soldering iron tip, interchangeable with standard 936 common iron tip. Suitable for M2 (compatible with M2.5), M3, M4, M5, M6 (1 or 4in), and hot melt nuts or inserts like M8 commonly used on 3D printers.2. Material: The male head and female head are made of brass material, TS100 soldering iron tip is machined with TS100C4 iron core for optimal performance.3. Easy to Replace: Designed with hand tightened knurling joints, the main joint can be disassembled and replaced with different types of threaded pressure heads in a cooling state.4. Excellent Heat Conduction: Brass material with good heat conduction, ensures direct contact with the end face to prevent nut tilt, facilitating quick melting into plastic parts.5. Precise Embedding: Our insert has a smaller embedding distance compared to other similar heads, preventing plastic part deformation after embedding. The head is not easily damaged and can be inserted into the plastic part to a certain depth.Specification:Item Type: Soldering Irons Heat Set Tip Material: BrassThread Size: M2 or M2.5 or M3 or M4 or M5 or M6 or M7 or M8Application: for TS100 or 101.Package List:1 x TS100 Soldering Iron Tip 1 x Connector7 x Heat Set Insert Tips 1 x Plastic Box