Carbide Bur, End Type Pointed, Type Double, Shank Dia. 1/8 in, Head Dia. 1/4 in, Head Length 1/2 in, Included Angle Not Applicable, Overall Length 2 in, Trade Number SG-51, Primary Material Application Brass, Bronze, Cast Iron, Copper, Nickel, Stainless Steel, Steel, Titanium, Zinc, Head Shape Tree, Shank Length 1 1/2 in, Operating Speed - Maximum 40,000 RPM, System of Measurement Inch, Coating Bright (Uncoated), Compatible Tool Type Die Grinder, Rotary Power Tool, Straight Grinder