Stop in for a cup of coffee

Mopar Tim said
The ones you need are flat if I not mistaken. To to remove the tailshaft?

yep. last time, none of the ones I have worked, fought it forever before borrowing a set. Problem is, I don't remember what the set was called. It was different that the standard set I have.

Wonder if these will work?

Snap Ring Pliers with Reversible Action