GUHRING 9005490082000 Jobber Bit, P, High Speed Steel. More details: Parabolic Jobber Drill Bit, Dimension Type Letter, Size P, Material High Speed Steel, Flute Length 3-5/16 In., Coolant Through No, Finish Steam Nitride, Point Angle 130 Degrees , Overall Length 4-39/64, Decimal Equivalent 0.3228 In., Shank Dia. 8.2mm, List Number 549, Cutting Direction Right Handed, Point Type Notch Point