Construction Reamer, Flute Type Spiral, Spiral Direction Left Hand, Cutting Direction Right Hand, High Speed Steel, Dimension Type Fractional Inch, Decimal Equivalent 0.8125 In., Size 13/16 In., Number of Flutes 5, Flute Length 5-1/8 In., Overall Length 7-1/4 In., Bright Finish, Chamfer 60 Degrees , Large End Dia. 13/16 In., Shank Type Straight with Safety Collar, Shank Size 1/2 In.