you must be ---- , depth gage works , dial caliper if your carefull , not rocket science never met anyone that couldn't do it right ... must be on you ...
OK Bob. I'll accept that. It must be on me. My experience was from probably 20+ years ago and I think I was trying to use a dial caliper. I guess my technique was not good. Anyway, I learned a few things from this thread and it's all good. Thanks.