MORSE® Taper Pin Reamer, Series: 1680, Taper Pin Size/Number: #8, 0.3971 in Small End Dia, 7-3/16 in Overall Length, Straight Shank, 7/16 in Shank Dia, 6 Flutes, Straight Flute, 5-3/16 in Flute Length, HSS, Bright, Right Hand Cutting, 0.505 in Body Dia