The official refill for Penco’s Bullet Ballpoint pen is an essential item designed to maintain the original performance, smoothness and writing quality of your writing instrument.

Manufactured by the Japanese firm Penco, it guarantees a smooth, clean and consistent line from the very first use.

Its oil-based black ink is smudge-proof and highly water-resistant, preventing unwanted smudges and ensuring it dries quickly on paper. Manufactured to the universal D1 standard (with a length of 6.7 cm and a diameter of 2.3 mm), it features a tapered metal tip that offers excellent stroke control.

This refill allows you to choose between two tip sizes (0.5 mm for a fine, defined line, and 0.7 mm for a medium, smooth and even line), ensuring perfect compatibility with Penco’s Bullet series pens and other compatible writing instruments.

Key features:

• Official black ink refill with an oil-based formula for Penco’s Bullet series.
• Available in two tip thicknesses: 0.5 mm and 0.7 mm.
• Tapered metal tip that guarantees a smooth, precise and stable line.
• Waterproof and water-resistant ink that prevents smudging and bleeding.
• Universal D1 format (2.3 mm in diameter x 6.7 cm in length).
• Ultra-lightweight at 1 g per unit.
• Guaranteed original performance for Penco writing instruments.