Pentel® EnerGel Retractable Gel Pen, Refillable, Metal Tip, 0.7mm, Black Ink, 2/Set

EnerGel RTX Refillable Liquid Gel Pen, 0.7mm, Assorted Colors, 6-Pk – Pentel of America, Ltd.

Pentel EnerGel: A Comprehensive Guide

EnerGel EnerGel RTX Liquid Gel Pens - Medium Pen Point - 0.7 mm Pen Point Size - Needle Pen Point Style - Refillable - Retractable - Black Gel-based Ink - Blue Barrel