Carbide Bur End Type Radius Cut Type Double Shank Dia 1/4 in Head Dia 1/4 in Head Length 3/8 in Included Angle Not Applicable Overall Length 2 in Trade Number SE-1 Primary Material Application Brass Bronze Copper Ferrous Metals Nickel Titanium Head Shape Oval Operating Speed - Maximum 32 000 RPM System of Measurement Inch Coating Bright (Uncoated) Compatible Tool Type Die Grinder Head Material Carbide Shank Material Carbide