Construction Reamer, Flute Type Spiral, Spiral Direction Left Hand, Cutting Direction Right Hand, High Speed Steel, Dimension Type Fractional Inch, Decimal Equivalent 0.7500 In., Size 3/4 In., Number of Flutes 5, Flute Length 5 In., Overall Length 7 In., Black Oxide Finish, Chamfer 60 Degrees , Large End Dia. 3/4 In., Shank Type Hex Nut with Safety Magnet, Shank Size 1-1/4 In.