Oval Bur SE End Type Radius Cut Type Double Shank Dia 1/4 in Head Dia 3/8 in Head Length 5/8 in Included Angle Not Applicable Overall Length 2 in Trade Number SE-3 Head Shape Oval Operating Speed - Maximum 63 000 RPM List Number 806 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel