Specifications: - Head length: 9 mm. - Total length: 24 mm. - Shaft type: 314. - Shaft: FG. - Max Revolutions: max. 300.000. - Procedure: Composite Shaping & Finishing. - Material: Tungsten Carbide. - Shape: Needle. - Color Ring: White. - Grit: Ultra Fine. - Diameter: 014.