Nothing could be simpler than fixed limit gages which explains why they remain so popular. But nothing so simple can remain so when humans are involved. Someone always tries to mess things up by making simplicity complicated, ending up with a wide range of unintended consequences. The sort of thing governments the world over are known for.
The incentive behind this column is to help you avoid problems when designing special gages for the products your company produces. The following are situations that are easily avoided but regularly encountered by gage makers everywhere.