KIP-U2 is the necessary machine to be equipped with the engraving milling machine. It is applicable to grind and carve the end mill, engraver, and pins of various shapes and angles, which are used on engraving milling machines and engraving & marking machines. In addition, it has many accessories, which could be used to sharpen various cutters, such as turning tools, milling cutters, and drilling bits. It has been widely used in industrial production.