Originally Posted by halifax
The hole is not in the jag but in the rod itself. Maybe I wasn't very clear.


I understood you. I still think that is what it is for. The jag is a larger diameter and easier to hold on to, though it too can have a crosswise hole for the same purpose. The rod is skinny, oily and hard to hold on to, hence the hole to run your turnscrew through for leverage.

_________
BrentD, (Professor - just for Stan)

[Linked Image from i.imgur.com]