That's way easier than having to index one in a 4 jaw.

[img width=600 height=450]http://i139.photobucket.com/albums/q296/samdweezel05/Guns/DSCF0084.jpg[/img]

[img width=600 height=450]http://i139.photobucket.com/albums/q296/samdweezel05/Guns/DSCF0087.jpg[/img]