Pentel energel deluxe retractable pens .5 mm - also known as BLN75-A is designed with high performance ink technology combines the best qualities of liquid and gel ink for a super-smooth writing experience.
Pentel EnerGel RTX Liquid Gel Pen Refill Color Comparison (0.7 mm
Pentel Energel RTX 0.7 mm Lilac Gel Ink Pen Review — The Pen Addict
Pentel Refill Ink for EnerGel RTX Retractable Liquid Gel Pen Extra Fine Line Needle Tip,12 Pack, 0.3mm, Blue (LRN3-C)
Pentel EnerGel RTX Liquid Gel Pens - Navy Blue, 2 pk - QFC
Pentel EnerGel Kuro Liquid Gel Pen, (0.7mm) Medium line
Pentel EnerGel RTX Retractable Liquid Gel Pen Medium Point 0.7 mm
12 Colors Set Pentel Energel Pen 0.7mm 12 Pcs Gel Pens. - Norway
Pentel Energel RTX Medium Liquid Gel Pen 6 ea
Pentel® EnerGel PRO Permanent Ink Hybrid Gel Pen, Retractable