Parker Duofold Blind Caps + Ring Tops Item Letter:S: Blind Cap Shell for Vest Pocket Pencil A later high-flow or oversized

A later high-flow or oversized groove design)

And these are great looking and working pens

Other Triumph nib pens this tool might work on

SHEAFFER BALLPOINT PEN RETRACTOR MECHANISM TOOL

And they fit the newer 80s release CFs with the fold-over rube Goldberg holders for the fillers (one of these pens is shown at the bottom of the first photo)

Parker Duofold Blind Caps + Ring Tops Item Letter:S: Blind Cap Shell for Vest Pocket Pencil A later high-flow or oversizedPARKER DUOFOLD VEST POCKET PEN and PENCIL BLIND CAPS & RING TOPS. Mostly new old stock blind caps and caps for small Parker Vest Pocket pens and pencils. These parts are in various states of completion; The first photo shows what they are used on, NOTE: Blind cap, caps + eraser covers only for sale. The pencil barrels and front ends are not part of the items for sale. **Note: Each letter under an item in the photo is the letter you will use to