12" - 3 JAWS SELF-CENTERING WITH D1-6 BACK MOUNTING.  T.I.R.---0.003"

AMERICAN STANDARD.

TWO PCS TOP & BOTTOM REVERSIBLE HARDENED JAWS.

THE ADVANTAGE OF USING A DIRECT D1-6 MOUNT IS EXTRA WORKING CAPACITY ON THE LATHE DUE TO SHORTER OVERALL LENGTH WITH THE INTEGRAL CAMLOCK MOUNT.

4" THRU HOLE DIAMETER.

ALL PARTS PROPERLY HEAT TREATED.