Dimensions:

• Large end: ~0.938" (just under 15/16")
• Small end: ~0.778" (just under 25/32")

Morse taper shank

Cleveland Twist Drill Co.

• 7/8" straight-flute machine reamer
• #3 Morse taper shank
• Vintage American-made machinist tool

Looks sharp, no chipped flutes or abuse. Little rust, should be oiled.