Left Hand Pilot Parallel Pen (modified)

FP133. Left-Hand Oblique-Cut Parallel Pen (These sizes are not made by Pilot.), Finally, a left-oblique Parallel Pen is available! These pens start

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Modified pilot parallel pen 6.0mm

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What pens can I put the Pilot parallel nibs in? : r/fountainpens

2pcs Japan Pilot Parallel Art Pen Duckbill Pen FP3-15-SS Gothic Pen English Calligraphy Color Pen Ink Painting Office Supplies - AliExpress

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Pilot Parallel Pens with cartridge: What inks to use to be less wet/feathering/bleeding? : r/Calligraphy