Specifications: - Transmission: Downshift. - Reduction ratio: 6:1. - Maximum rotation speed: 6600 rpm (at maximum motor speed 40000 rpm). - Backlight: No light. - Cooling: No cooling. - Head height without file: 11.4 mm. - Head diameter: 8.7 mm. - Tool shank: Ø 2.35 mm RA. - File clamp: Push button. - Connection type: ISO.