Made of wear-resistant, dense and fine-grained carbide. Vibration-free and precise milling. In order to avoid tipping, the workpieces must be secured with particular care. For machining steel, cast steel, non-ferrous metals, plastics and very hard materials. Well suited for technical work, such as engraving and punching circuit boards. The diameter of the arms is 3.0 or 2.35. We recommend the use of MICROMOT clamping chucks.