Carbide Bur, End Type Radius, Type Double, Shank Dia. 1/4 in, Head Dia. 1/4 in, Head Length 5/8 in, Included Angle Not Applicable, Overall Length 2 in, Trade Number SF-1, Primary Material Application Ferrous Metals, Non-Ferrous Metals, Stainless Steel, Steel, Head Shape Tree, Shank Length 1 3/8 in, Operating Speed - Maximum 30,000 RPM, System of Measurement Inch, Coating Bright (Uncoated), Compatible Tool Type Die Grinder, Rotary Power Tool, Straight Grinder, Head Material Carbide