Carbide Bur, End Type Radius, Type Single, Shank Dia. 1/4 in, Head Dia. 1/2 in, Head Length 3/4 in, Included Angle Not Applicable, Overall Length 2 1/2 in, Trade Number SF-13, Primary Material Application Ferrous Metals, Non-Ferrous Metals, Stainless Steel, Steel, Head Shape Tree, Shank Length 1 3/4 in, Operating Speed - Maximum 40,000 RPM, System of Measurement Inch, Coating Bright (Uncoated), Compatible Tool Type Die Grinder, Rotary Power Tool, Straight Grinder, Head Material Carbide