Purchased for use with a Sheaffer calligraphy pen. Simple to use, fills easily. I'm picky about my ink so a convertor and the ink(s) of my choice work better than cartridges.

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Product details
Brand: Sheaffer
A screw-action piston converter to allow use of bottled ink with Sheaffer fountain pens. Fits almost any Sheaffer pen that uses Classic ink cartridges.
GTIN: 3597390285034
All reviews
Quality: 5
Value for money: 5
Finding a retailer for this, hard to source, product enables me to resurrect and use my 1970's vintage Sheaffer calligraphy pen, along with the many choices of coloured inks now available.
Quality: 5
Value for money: 5
Slick easy to fill and not messy
Quality: 5
Value for money: 5
Does the job perfectly, no more leaks!
Quality: 5
Value for money: 5
the item came promptly and works very well.
Quality: 5
Value for money: 5
I had an off brand converter in a vintage sheaffer that I got off ebay, but it never fit right, this one fit perfectly in the vintage sheaffer and the new one I ordered too, and feels better quality than some other brands I have used.
Quality: 5
Value for money: 5
Works great for my old Sheaffer pen!
Quality: 5
Value for money: 5
