[Adaptability] This soldering iron tip can be adapted to TS100 soldering iron tips and interchangeable with standard 936 universal soldering iron tips. It can realize the embedding of various M2 (common to M2.5), M3, M4, M5, M6 (1/4inch), and M8 hot melt nuts [Premium Metal Material] Our heat set insert tip is made of high quality Metal material, which is very sturdy and can be used repeatedly. It has good thermal conductivity and can quickly insert nuts [Hand-Tightened Knurled Joint Design] It adopts hand-tightened knurled joint design, and the main joint can be disassembled and replaced with a different type of threaded pressure head while cool [Smaller Embedding Distance] Compared with other similar heads, our embedding distance is smaller, which can prevent the plastic parts from deforming after embedding. The head is not easily damaged and can be inserted into plastic parts to a certain depth [After-sales] If you have any questions, please get in touch with us, our service team will provide you with a professional and satisfactory service Colour:As Shown Material:Metal Package Contents: 7x Heat Set Insert Tip 1x Male Female Head 1x Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.