Pentel Refill Ink for EnerGel 0.7mm (XLR7) - Set of 3color / 10pcs : Black (6) + Red (2) + Blue (2) Refill for EnerGel Liquid Gel Pen (BL57 / BL77 / BL107 / LCG51 / LCG31). Set of 3color / 10pcs - [Black (XLR7-A) x 6 pcs] [Red (XLR7-B) x 2 pcs] [Blue (XLR7-C) x 2 pcs] 0.7mm, metal tip writes medium lines. * Pentel genuine products