Grizzly G9834 - 5" 4-Jaw Plain Back Scroll Chuck
Scroll means that all jaws close together and are self centering. This 4-jaw chuck has a semi-steel body and two sets of hardened jaws. 4-jaw self-centering chucks have firmer hold on the workpiece and also allow you to grip square pieces without switching chucks. Requires mounting plates. Through hole: 1.18"