🌈【EFFICIENT CUT】Made; to from cemented carbide; to ultra-fine grain with good milling performance, cutting performance and cutting efficiency. high 🌈【HIGH HARDNESS】Have sufficient anti-bending strength, resistance to wear, hardness high, resistance to high wear and high strength 🌈【SHARP POINTS】Sharp edges can be used for milling holes, grooves and edges. Your on plates and the process will be smooth 🌈【POLISHED SURFACE】Well-polished surfaces are very clean and crisp, and there are no glitches or burrs on the rod 🌈【APPLICABLE SCENE】Many objects or materials can be engraved, such as circuit boards, metal, plastics, stainless steel and copper