Carbide Bur End Type Radius Cut Type Double Shank Dia 1/4 in Head Dia 3/8 in Head Length 3/8 in Included Angle 14 Degrees Overall Length 3 in Trade Number SL-3 Primary Material Application Ferrous Metals Non-Ferrous Metals Head Shape Cone Operating Speed - Maximum 37 500 RPM System of Measurement Inch Head Material Carbide Shank Material Steel