Buck-Forkardt 10" independent, 4-jaw lathe chuck. #6410R. Removable, 2-1/4 x 8 threaded Buck back plate. Made in USA. Reversible jaws. Very heavy duty. Buck chucks were an industry standard for many years. Current Buck products, now made in Asia, are of much lesser quality. This is a new, unused item. $400. Cash only please. This is a very beautiful piece. Will consider selling without backplate.