Grizzly H7605 4 Jaw Chuck, 3-Inch
This self-centering style 4-jaw chuck has reversible stepped jaws for holding a variety of round or square work piece sizes. setup is quick and easy by twisting the knurled adjustment plate on the back of the chuck. two 4-Inch wrenches are included for final tightening. fits all wood lathes with 1-Inch x 8 tpi spindles.