Tree Bur SF End Type Radius Cut Type Single Shank Dia 1/8 in Head Dia 1/8 in Head Length 1/2 in Included Angle Not Applicable Overall Length 1 1/2 in Trade Number SF-42 Head Shape Tree Operating Speed - Maximum 80 000 RPM List Number 900 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide