Carbide Bur End Type Radius Cut Type Double Shank Dia 1/4 in Head Dia 3/8 in Head Length 1 1/16 in Included Angle 14 Degrees Overall Length 3 in Trade Number SL-3 Primary Material Application Brass Bronze Copper Ferrous Metals Nickel Titanium Head Shape Cone Operating Speed - Maximum 19 000 RPM System of Measurement Inch Coating Bright (Uncoated) Compatible Tool Type Die Grinder Head Material Carbide Shank Material Steel