Kitagawa lathe chuck B-210, 10 3 jaw power chuck. New in box, never mounted on a machine. (254.0MM), 75 MM through hole. M85 P2.0 thread in draw-tube adapter.
A2-8 or A2-6 spindle adapter, your choice. With: Set of soft jaws and t-nuts, mount bolts and draw-tube nut wrench.