Ball Bur SD Cut Type Double Shank Dia 1/8 in Head Dia 3/32 in Head Length 3/32 in Included Angle Not Applicable Overall Length 1 1/2 in Trade Number SD-41 Head Shape Ball Operating Speed - Maximum 85 000 RPM List Number 800 Coating Bright (Uncoated) Head Material Carbide Shank Material Carbide