Pentel Gel Pen RetractableRefillable Needle Tip 05mm Blue PENBLN75C

EnerGel RTX Retractable Liquid Gel Pen (0.5mm) Needle Tip, Fine Line, Blue Ink Pentel Co., Ltd. is a privately held Japanese company which produces stationery products. The name is a combination of the English words pen and tell. Pentel is also the inventor of non-permanent marker technology.