1911 adjusting rear sight

[TGC]

Hello brothers and sisters, I have seen, but can't find it now, a vise like tool that is used to adjust the rear sight of a 1911. Does anyone know where I can find one? I think bromwells had them, but I can't seem to find it now.

 

[Wendell]

Brownells part numbers:

584-045-001, and;
387-100-000.

 

[TGC]

thanks