Qualtech Shell Reamer Arbor, Straight Flute, Arbor Number: #9, 2-1/16 in Minimum Shell Reamer dia, 2-1/2 in Maximum Shell Reamer dia, Straight Shank, 1-3/8 in Shank dia, 13 in Overall Length Qualtech DWRSRA9SS Straight Flute Shell Reamer Arbor, #9, 2-1/16 in dia Min, 2-1/2 in dia Max, 1-3/8 in dia Straight Shank