Adjustable Pin Wrench / Spanner

Original Eagle Professional Tools
Adjustable Pin Wrench / Spanner

It is a simple tool, a plain shaft or Pin with a handle. You use it by putting it in a hole in something and using it as a lever to turn that thing. Below left this pin wrench is shown in use tightening (or loosening) a checknut in the set width adjustment mechanism.
Fit angle grinder hub from 3/8" to 1 & 1/16" in size.