[gilby]

You can get a suitable tool at your local hardware store. Here's an example:http://www.generaltools.com/3011--PRECISION-6-FLEX-STEEL-RULE_p_1629.html
I've done a lot of Q-jet work and any accurate sliding t-scale works just fine.

Bill

..X-2... I found out that ,the slide ruler works really great for adjusting float levels...

:beer::beer: