ATA SGSPRO, 10078, Carbide Burr, Imperial, Series: Universal SA, Flat End, 3/8 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, 37500 rpm Maximum, Industry Specification: SA-3