ATA SGSPRO, 10853, Carbide Burr, Imperial, Series: Universal SB, 1/4 in Diameter Head, 5/8 in Length of Cut, 2 in Overall Length, Cylindrical Head Shape, Double Cut, 1/4 in Shank Diameter, Solid Carbide Head, Applicable Materials: Ferrous and Non-Ferrous Metals, Industry Specification: SB-1