Right Angle Head for Vertical Mill, R8 Taper.
Cheng Ki, made in Taiwan.
One end is.950 Dia shaft in a tooth cavity 3.4 diameter and 3.4 deep.
The other end has a conventional taper, about 1.2 at the top.
Absolutely no bearing noise.
Clean, no production residue on it.
Weighs 22 pounds.