Carbide Bur, End Type Radius, Cut Type Single, Shank Dia. 1/4 in, Head Dia. 3/8 in, Head Length 1 1/16 in, Included Angle 14 Degrees , Overall Length 2 15/16 in, Trade Number SL-3, Primary Material Application Cast Iron, Ferrous Metals, Non-Ferrous Metals, Steel, Head Shape Cone, Operating Speed – Maximum 30,000 RPM, List Number 1852, System of Measurement Inch, Coating Bright (Uncoated), Head Material Carbide, Shank Material Hardened Steel