Construction Reamer, Morse Taper Shank Shank, Morse Taper 3, Large End Dia. (In.) 1-1/8, Flute Length (In.) 7-3/8, Overall Length (In.) 12, 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