Navigator Tips: Featuring pure Japanese pigskin leather with no artificial coloring added. Each tip goes through a month-long manufacturing process that seals in the ideal qualities of the leather, providing a softer, more consistent hit with almost no deformation.Blue Impact:With 9 – 11 thin layers of Japanese pigskin leather, these tips perform much like a pressed tip but have a much longer lifespan. Available in 11mm and 14mm diameters.Alpha Pro Tips: Featuring 9 layers of Japanese pigskin leather, these 14mm diameter tips mushroom less providing a firm and crisp hit.Black Tips: Navigator Black tips feature 10 layers of Japanese pigskin leather that are assembled using a proprietary adhesive. This prevents oxidation, meaning the tip wont get harder after short usage. They are most adaptable tips in the Navigator line, allowing players to shape and mold the tip over time to fit their play style.