Construction Reamer, Hex Nut Shank Shank, Large End Dia. (In.) 1-3/16, Shank Dia. (In.) 1-13/16, Flute Length (In.) 5, Overall Length (In.) 7, Left Sprial Right Cutting, High Speed Steel, Black Oxide Finish, Reaming, True, Enlarge, Align and Debur Holes In Structural Steel Members Such As I-Beams, Angles, Channels And Plates