- Sharp double ends; - Thicker cutting edge; - Blue Groove groove tip and groove; - 10% longer stem; - 1/4 / 6 mm hexagon stem; - Can not be used with Bit bit extensions or Bit chuck.
- Rectified four-sided hard metal tip; - Super deep double groove; - Reduced groove; - Vanadium chrome steel body; - The coolant should always be used.
- Half-round file, cut on two sides. Version with tang. - Shape E according to DIN 7261. - Suitable for work on radii and for filing of half-round shapes.