Chucking Reamer, Flute Type: Straight, Cutting Direction: Right Hand, Material: Solid Carbide, Dimension Type: Wire, Decimal Equivalent: 0.0520", Size: #55, Number of Flutes: 4, Flute Length: 3/8", Overall Length: 1-1/2", Finish: Bright, Shank Type: Straight, Shank Size: 0.0520", Chamfer: 45 Degrees, Large End Dia.: 0.0520"