Cone Bur End Type Pointed Cut Type Double Shank Dia 3 mm Head Dia 3 mm Head Length 1 1/2 mm Included Angle 90 Degrees Overall Length 50 mm Trade Number SK-42 Head Shape Cone Operating Speed - Maximum 80 000 RPM List Number 800 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide