Mujirushi Ryohin Fountain Pen Cartridge - Blue Black (4 pcs) - Japan Φ7.5mm 58x

The Mujirushi Ryohin Fountain Pen Cartridge in Blue Black is an essential accessory for anyone who appreciates the art of writing. Designed to fit fountain pens with a 7.5mm diameter and fine point type 58x, these cartridges provide a smooth and consistent ink flow that enhances your writing experience. Whether you are jotting down notes, signing documents, or creating artwork, these cartridges ensure your pen performs at its best.

• Product Material: Ink

• Manufacturer: Mujirushi Ryohin

• Compatible with 7.5mm diameter fountain pens, fine point type 58x
• Pack contains four cartridges for extended use
• Blue-black ink provides a professional and classic appearance
• Smooth and consistent ink flow for an excellent writing experience

Insert the cartridge firmly into the fountain pen until it fits securely. Replace the cartridge when the ink runs out to maintain smooth writing. Store unused cartridges in a cool, dry place away from direct sunlight to preserve ink quality.

Keep cartridges sealed until use to prevent ink drying. Avoid exposure to extreme temperatures and direct sunlight. Dispose of empty cartridges responsibly according to local regulations.