Someone tell me what this is?

[lezmark]

I made a big score on a couple boxes of misc reloading stuff, and this was included. Anyone know what this is? Worth anything to anybody? thanks

 

[Blue68f100]

That is a tool for doing trigger work, hammer/sear. Believe it's made by Power Custom.

 

[edwardware]

Sear and hammer jig, missing parts.

https://www.brownells.com/gunsmith-...-tools/series-i-stoning-fixture-prod9853.aspx