SGS Pro® Carbide Burr, Imperial, Series: Universal SG, Pointed, 3/8 in Head Dia, 3/4 in Length of Cut, 2-1/2 in Overall Length, Tree Head Shape, Double Cut Type, 1/4 in Shank Dia, Solid Carbide Head, 37500 rpm Maximum, Applicable Materials: Ferrous and Non-Ferrous Metals, SG-3 Industry Specification