Cone Bur, End Type Pointed, Type Double, Shank Dia. 1/8 in, Head Dia. 1/8 in, Head Length 7/16 in, Included Angle 14 Degrees , Overall Length 1 1/2 in, Trade Number SM-42, Head Shape Cone, Operating Speed - Maximum 80,000 RPM, List Number 800, Coating Bright (Uncoated), Head Material Carbide, Shank Material Carbide