This inspiring blue refill is compatible with all Montblanc Classique rollerball pens. These rollerball refills are linked to the launch of the Montblanc Homer Writer's Edition pens. The design of the box features the sculpture of Homer, and the pens feature a horse, inspired by the Trojan Horse featured in Homer's epic poem The Odyssey. The color of the ink is inspired by the blue color of the Mediterranean Sea. 2 per pack.