Carbide Bur, End Type Radius, Cut Type Double, 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, Primary Material Application Brass, Bronze, Carbon Steel, Cast Iron, Copper, Stainless Steel, Steel, Titanium, Head Shape Cone, Operating Speed – Maximum 65,000 RPM, List Number 310L, System of Measurement Inch, Coating Bright (Uncoated), Head Material Carbide, Head Material Grade C2 Submicron, Shank Material Carbide