Pilot FriXion Ball Slim 0.38mm Brown Ink Refill (LFBTRF12UF-BN), 3 Packs/total 3 Refills (Japan Import) [Komainu-Dou Original Package] Refill for Pilot FriXion Ball Slim 0.38mm(LFBS-18UF) Ink color: Brown Total 3 Refills