"Jobber Drill Bit, Fractional Inch, Drill Bit Size 5/16 In., Decimal Equivalent 0.3125, Drill Bit Point Angle 135 Degrees , Drill Bit Material High Speed Steel, Drill Bit Finish Black Oxide, Coolant Through No, Overall Length 4-1/2 In., Cutting Direction Right Hand, Shank Dia. 5/16 In., Flute Length 3-1/2 In., Point Type Conventional PointFeaturesDecimal Equivalent: 0.3125Item: Jobber Drill BitOverall Length: 4-1/2""Point Type: Conventional PointShank Dia.: 5/16""Drill Bit Size: 5/16""Cutting Direction: Right HandFlute Length: 3-1/2""Coolant Through: NoDrill Bit Material: High Speed SteelDrill Bit Dimension Type: Fractional InchDrill Bit Point Angle: 135 DegreesDrill Bit Finish: Black OxideDrill Bit Grouping: Drill Bit"