Dormer Machine Reamer, 9.99 mm Dia, 133 mm Overall Length, Straight Shank, Spiral Flute, 6 Flutes, 38 mm Flute Length, High Speed Steel Cobalt, Bright, Right Hand Cutting, Applicable Materials: Machining Free Machining, Plain Carbon and Alloy Steel, Gray and Malleable Cast-Iron, Wrought and Cast Aluminum and Copper or Copper Alloys