Tungsten carbide tip 2.0mm micro granulate tips for extra long cutting life High ground tip surface polished to 800 grit ensures precise cutting with fine finish PTFE nonstick coating reduces friction, minimizes resin build-up and extends cutting tool life Longer shanks are ideal for a wider range of applications with hand and tabletop router bits Safety K mark indicates the correct position of the cutter shank so that the collet grips optimally and the cutter is not accidentally ejected