Sheaffer O-Ring Seater for PFM (Tool S24) nib assembly Some broad grade come in

Some broad grade come in original packaging w directions

Extremely well done

Magnification adds

Convex clicker top

Sheaffer O-Ring Seater for PFM (Tool S24) nib assembly Some broad grade come inHelps a great deal in getting a new O Ring seated in the back end of a PFM barrel. To use it, you remove all the parts from inside and outside the barrel, take the old O Ring out with a D3 probe, clean the slot out and grease it up, stick the business end of this tool through the front of the barrel, and work a new O Ring into the slot on the pen. The tool comes with a small tamper to help push the O Ring down and sideways into the slot. The S24 PFM