Tree Bur SG, End Type Pointed, 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 SG-13, Primary Material Application Brass, Bronze, Carbon Steel, Cast Iron, Copper, Nickel, Stainless Steel, Titanium, Zinc, Head Shape Tree, Shank Length 1 3/4 in, Operating Speed - Maximum 40,000 RPM, Coating Bright (Uncoated), Compatible Tool Type Die Grinder, Rotary Power Tool, Straight Grinder, Head Material Carbide