Standard Pack = 1 piece(s). Surface Condition = Black & Gold ; Material = HSS ; Tool Type = Drill ; Hand Of Spiral Cut = RHS / RHC ; Flute Type = Spiral ; Hand Of Spiral = Right ; Hand Of Cut = Right ; Drill Style = Mechanics Length Drill ; Drill Construction = Heavy-Duty ; Drill Size System = Fractional ; Point Angle = 135 Deg ; Tool Size = 7/16 Inch ; Diameter = 7/16 Inch ; Diameter Decimal Equivalent = 0.4375 Inch ; Number Of Flutes = 2 ; Length Of Flute = 2.9375 Inch ; Shank Configuration = Straight Flatted ; Shank Size = 0.4375 Inch ; Overall Length = 4.5 Inch ; Set = No ; Package Type = Envelope ; List Style Number = 1875R ;