D.E. Whiton Machine Co. metal lathe chuck. Each jaw can be moved independently but all the jaws can also be moved at the same with the self centering/scroll feature. The jaws all move good except for two of them have a couple "sticky" points (nothing that major).
Through Hole: 3"
Threads: 5-1/2" x 8 TPI
NOTICE: shipping is free but please contact us prior to purchasing for details.