Pentel 0.7mm Black Ink Refill (XBXM7H-A), for Vicuna X Ballpoint Pen (BX107), &times; 6 Pack/total 6pcs (Japan Import) [Komainu-Dou Original Package] Refill for Vicuna X Ballpoint Pen (BX107, BX105), and Vicuna Ballpoint Pen ( BX157, BX155) Ink color: Black Pen tip diameter: 0.7mm