Parker 51 Mk III Aerometric Barrel Black Fountain Pen Repair The 3 different diameter punches

The 3 different diameter punches will fit almost all nib sections

4cm approx) tall and 2 7/8 inches (7

VACUMATIC PLUNGER UNIT FOR PARKER VACUMATIC PENS

Bi-metallic electrolytic effects between dissimilar metals are insignificant in treatment periods of up to 48 hours

The sizing of ink sac's is in units of 64th's of an inch

Parker 51 Mk III Aerometric Barrel Black Fountain Pen Repair The 3 different diameter punchesThe Parker '51' Barrel can become scratched and marked over time. In some cases chip. These are all genuine Parker '51' Barrels and as such may show signs of storage and ware, some cleaning and polishing may be required.