Anybody messing with old guns and needing screws, or just a home handyman, needs one of these. Mine was a gift from a friend who made me a replacement screw for a Belgian double's top lever. I couldn't figure out the pitch. He did in a minute or two.

http://www.rockler.com/thread-detective-...fhoCyAMQAvD_BwE

I have a set in both Imperial and Metric sizes. Checks both interior and exterior threads (male and female).

SRH


May God bless America and those who defend her.