Carbide Bur, End Type Radius, Cut Type Double, Shank Dia. 1/4 in, Head Dia. 1/2 in, Head Length 1 1/8 in, Included Angle 14 Degrees, Overall Length 3 in, Trade Number SL-4, Primary Material Application Brass, Bronze, Carbon Steel, Cast Iron, Copper, Stainless Steel, Titanium, Head Shape Cone, Operating Speed - Maximum 50, 000 RPM, List Number 1852, System of Measurement Inch, Coating Bright (Uncoated), Head Material Carbide, Shank Material Hardened Steel