Cone Bur, End Type Radius, Type Single, Shank Dia. 1/4 in, Head Dia. 1/4 in, Head Length 5/8 in, Included Angle 14 Degrees , Overall Length 2 in, Trade Number SL-1, Head Shape Cone, Operating Speed - Maximum 70,000 RPM, List Number 907, Coating Bright (Uncoated), Head Material Carbide, Shank Material Carbide