We have included these Haag-Streit Correx Gauge in our inventory for a special reason.
When we started selling the amazing Bix’N Andy trigger several people came to us wanting to fine tune their trigger weight setting at levels never seen before. All the standard instruments were pretty much useless so we started using these Haag-Streit Correx gauges. They are excellent and one can now easily determine what your trigger pull weight is set to and even identify if there is some inconsistency in the pull weight from shot to shot which could well identify other problems. The gauges are very easy to use and have a simple marker which records the maximum pull weight.
Read the Correx Tension Gauge Manual.