Features 1、Tungsten steel grinding head, long service life, high hardness, wear resistance and heat resistance with great anti-corrosion ability. 2、Smooth chip removal, no dust pollution, stable and reliable. 3、The front section has a serrated tooth that can penetrate deep into the workpiece and is suitable for a more complex working environment. 4、The end mill is suitable for process most kinds of metal model. 5、A set includes two types of end mill groove to satisfy your different needs. Specification Features: Tungsten steel grinding head, long service life, high hardness, wear resistance and heat resistance with great anti-corrosion ability. Smooth chip removal, no dust pollution, stable and reliable. The front section has a serrated tooth that can penetrate deep into the workpiece and is suitable for a more complex working environment. The end mill is suitable for process most kinds of metal model. A set includes two types of end mill groove to satisfy your different needs. Specification: Shank Diameter: 3mm/0.12in End Mill Groove:Single/Double Length: 38mm/1.5in (Approx.) Package List: 20*End Mill Package List