ATA SGSPRO, 24678, Carbide Burr, Metric, Series: Universal SJ, 6 mm Diameter Head, 4 mm Length of Cut, 50 mm Overall Length, Cone Head Shape, Double Cut, 6 mm Shank Diameter, Solid Carbide Head, 60 deg Included Angle, Applicable Materials: Ferrous and Non-Ferrous Metals, Industry Specification: SJ-1M