SGS Pro® Carbide Burr, Imperial, Series: Universal SA, Flat End, 5/16 in Diameter Head, 3/4 in Length of Cut, 2-1/2 in Overall Length, Cylindrical Head Shape, Double Cut, 1/4 in Shank Diameter, Solid Carbide Head, 45000 rpm Maximum, Applicable Materials: Ferrous and Non-Ferrous Metals, Industry Specification: SA-2