Tree Bur SF End Type Radius Cut Type Single Shank Dia 6 mm Head Dia 9 mm Head Length 19 mm Included Angle Not Applicable Overall Length 50 mm Trade Number SF-3L6 Head Shape Tree Shank Length 6 in Operating Speed - Maximum 70 000 RPM List Number 963 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel