Pentel EnerGel Deluxe RTX Liquid Gel Ink Pen Set Kit, Pack of 3 with 4 Refills (Green - 0.7mm) High performance ink technology combines the best qualities of liquid and gel ink for a super-smooth writing experience 0.7mm stainless metal tip writes medium lines Barrel and ink color: Green Retractable and conveniently refillable with Pentel LR7-D ink refills. Deal includes 3 BL77-D pens and 4 LR7-D refills