Stop in for a cup of coffee

727_Drum_Snap_Ring-L-150x170.jpg
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
Here's the ring, No holes for the pins on the pliers. You need a lock ring plier that just expands the tips of the lock ring. Most of the pliers have a knurl on the jaw to grab the tip of the lock ring. They are all external. (for the outside of a shaft).