Quote Originally Posted by Robin Hewitt View Post
An adjustable?

You have no soul :D
I'm an engineer... I do what's pragmatic... and anyway what else would you turn a 1" square drive with? If I owned something as large as a 1" AF spanner I'd have used that!

When I use it in anger I'll have to make some sort of holder/carrier poss on an MT3 arbor to put in the mill spindle or an MT1 arbor to hold in the lathe tailstock. I'll clamp the new backplate on the faceplate to first bore then tap it, or do it vertically on the mill...