Carbide Bur Set Cut Type Steel Head Shape Ball Cone Cylinder Round Nose Tree Tree Head Diameter - Maximum 1/2 in Head Diameter - Minimum 1/2 in Number of Pieces 5 Primary Material Application Cast Iron Steel Trade Number SB-5 SC-5 SF-5 SG-5 SL-4 End Type Pointed Radius System of Measurement Inch Metric Head Dia 1/2 in Coating Bright (Uncoated) Head Length 1 in 1 1/8 in Head Material Carbide Includes SB-5 SC-5 SF-5 SG-5 SL-4 Operating Speed - Maximum 35 000 RPM