My Hudy Knob Job by Triggerman has seen a lot of use, and it was time for a tune up/recalibration.
I originally used it for wing car wheels, but since then I have expanded all over the map, from 1.2" Manta Ray wheels to .620 flexi wheels, and everything in between.
I started with this:
Re-zeroed the calibration knob using the allen wrench:
Started with a huge JK donut/hub:
First cut at zero was .895
Now I have coverage from .895 to .620