Pilot Replacement Refills Friction Ball 2 Biz 0.38mm BlackRed Total Pieces LFTRF40UF-2C

[Replacement Refill Set for Friction Ball 2 Biz and 3 Biz] Newly developed Friction metal refill. A rotating two-color ballpoint pen has been introduced in the high-end series "Friction Ball, Biz," which is a very popular product. Additionally, it adopts a newly developed metal refill, increasing the ink volume compared to conventional multi-color refills, resulting in a longer writing distance. This is a replacement refill for the erasable ballpoint pen "Friction." [Size] Total length: 87.5mm Maximum diameter: 3.6mm [Ball diameter] 0.38mm (super fine) Set of two: black and red.