The Pilot Precise Ex Fine V5RT BLACK Liquid Ink Cartridge Refills come in a pack of 3 with 2 cartridges in each pack, totaling 6 cartridges. Made by the brand PILOT in Japan, these pen marker ink cartridge refills are designed for precision and fine lines. The black ink is perfect for writing and drawing tasks, and with free express shipping in the United States, it's convenient and efficient for busy offices and individuals. Ideal for those looking to recharge their pens with high-quality ink cartridges.