LAMY M16 Giant Ballpoint Refill [Medium]

The M16 Giant Ballpoint Refill is a compact ballpoint pen refill with an adaptor, waterproof. Available in black, blue and red in the line sizes F, M and B; green in M only. Writing capacity varies according to line size from approx. 4,500 to 8,000 m. Waterproof ink Medium size refill Available in 4 colours