Parallel Pen Refill Black

Pilot's parallel plate technology revolutionizes calligraphy, delivering sharper, more defined lines than traditional calligraphy pens. The innovative dual-plate nib structure creates crisp letterforms with exceptional control. This refill pack contains six black ink cartridges (proprietary size) designed for Parallel Pen systems. Each cartridge measures 5.8 cm in length and fits pens with a maximum diameter of 7.0 mm. Simply swap cartridges to experiment with layered effects, gradient shading, and color blending—a signature feature of the Parallel Pen system. Perfect for calligraphers, hand-lettering artists, and writers seeking precision and versatility. The refillable design keeps your creative practice sustainable and cost-effective.