04-12-2015, 03:20 AM
I put together a set of S/H Starrett 436 metric mics covering 0 - 200mm. One doesn't have a lock on it but it doesn't bother me, as I take the reading before I remove the mic from the part. Come to think of it, I tend to do that with those that have locks on them as well.
Hunting American dentists since 2015.