Cone Bur, End Type Radius, Type Single, Shank Dia. 1/8 in, Head Dia. 1/8 in, Head Length 1/2 in, Included Angle 8 Degrees , Overall Length 1 1/2 in, Trade Number SL-42, Head Shape Cone, Operating Speed - Maximum 80,000 RPM, List Number 900, Coating Bright (Uncoated), Head Material Carbide, Shank Material Carbide