Titan USA Taper Pin Reamer, Series: 991, Taper Pin Size/Number: #7, 0.422 in Dia Reamer, 0.3297 in Small End Diameter, 6-5/16 in Overall Length, Straight Shank, 13/32 in Shank Diameter, 6 Flutes, Left Spiral Flute, 4-7/16 in Flute Length, HSS, Uncoated, Right Hand Cutting Direction, Applicable Materials: Steel/Non-Ferrous Metals