Pentel Arts Hybrid Technica (0.3/0.4/0.5/0.6/0.8mm) Gel Pen, Black Ink – Pentel of America, Ltd.

  Acid-free, water-resistant, archival ink protects your sketches, drawings and anime from fading over time Unique tungsten carbide roller ball tip guarantees a consistent line from the first to the last drop of ink Pen will not dry out if left uncapped

Pentel Refill Ink for EnerGel RTX Retractable Liquid Gel Pen Extra Fine Line Needle Tip, 12 Pack, 0.3mm, Black (LRN3-A) : Office Products

Pentel Arts Hybrid Technica (0.3/0.4/0.5/0.6/0.8mm) Gel Pen, Black Ink – Pentel of America, Ltd.

Pentel Hybrid Technica Pen 0.8mm Black (KN108-A) : Office Products

Pentel EnerGel Clena Retractable Liquid Gel Pen, Micro Fine Point 0.3mm Needle Tip, Black Ink, Sax Blue Body (BLN73LS-A) : Office Products

Refill Ink - For BLC35 EnerGel 3 & BLW355 EnerGel 2S, (ABC) Ink, 3-Pk – Pentel of America, Ltd.

Pentel Arts Hybrid Technica 0.6 mm Pen, Fine Point, Black Ink, Box of 12 (KN106-A)

Acid-free, water-resistant, archival Ink protects your sketches, drawings and anime from fading over time Unique Tungsten carbide roller ball tip

Pentel Arts Hybrid Technica Gel Pen, Black (KN108BPA)

JetPens Pastel Pen Sampler

Pentel Hybrid Gel Grip K116 Gel Pen Black