Pentel 0.3mm Blue Ink Refill (XLRN3-C), for EnerGel Retract Ballpoint Pen(BLN73-C), &times; 5 Pack/total 5 pcs (Japan Import) [Komainu-Dou Original Package] Refill for EnerGel Retract Ballpoint Pen(BLN73-C), EnerGel X Retract Ballpoint Pen ( BLN103-C) Quick-drying, super-smooth ink 0.3mm, needle tip Ink color: Blue