Oval Bur SE End Type Radius Cut Type Aluminum Shank Dia 1/4 in Head Dia 3/4 in Head Length 1 in Included Angle Not Applicable Overall Length 2 in Trade Number SE-7A Head Shape Oval Operating Speed - Maximum 30 000 RPM List Number 886 Coating Bright (Uncoated) Head Material Carbide Shank Material Hardened Steel