ATA SGSPRO Carbide Burr, Metric, Series: Universal SJ, 25 mm Diameter Head, 24.5 mm Length of Cut, 68 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-9M