Parker Vacumatic Speedline Filling Unit leadhead This has bristles which are

This has bristles which are soft enough to not scratch but stiff enough to remove dried polishes/waxes out of tight spots

The pens are dried out

But watch your fingers with the glue

Item C thru G are complete ring top blind caps  for Parker vest pocket pencils in hard to find colors

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Parker Vacumatic Speedline Filling Unit leadhead This has bristles which areSpeedline filling units for Parker Vacumatic fountain pens. Original Parker part. Available in standard or oversized. Unit A: Thread outer diameter is 0. 375 inch Unit B: Thread outer diameter is 0. 430 inch (Oversize) Unit C: Thread outer diameter is 0. 397 inch (Oversize)