ATA SGSPRO, 22328, Carbide Burr, Metric, Series: Universal SC, 4 mm Diameter Head, 12.7 mm Length of Cut, 38 mm Overall Length, Cylindrical Head Shape, Double Cut, 3 mm Shank Diameter, Solid Carbide Head, Applicable Materials: Ferrous and Non-Ferrous Metals, Industry Specification: SC-52M