The Pilot Parallel calligraphy pen uses a special nib featuring two parallel plates that provide a consistent ink flow. The Parallel pen is one of the
Pilot Parallel Pen - 3.0 mm Nib - Calligraphy Fountain Pen – The Paper Mind
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Pilot Parallel Pen Premium Caligraphy Pen Set, 3.0mm Nib, White Barrel with Pink Accents (14679) : Arts, Crafts & Sewing
Pilot Parallel Pen Set with Cartridge (3.0MM), Japan
Pilot Parallel Pen - 3.0mm
Pilot 3.8mm Parallel Pen : Arts, Crafts & Sewing
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Pilot Parallel Calligraphy Pen Choice of 6 Nib Widths 1.5 2.4 3.0 3.8 4.5 6.0mm
Pilot Parallel Pen Set with Cartridge (3.8MM), Japan
Pilot Parallel Pen - Bundle of 6 Nib Sizes
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Pilot Parallel Fountain Pen - Pink, 3.0mm - The Goulet Pen Company