Pentel EnerGel Deluxe RTX Liquid Gel Ink Pen Set Kit, Pack of 3 with 4 Refills (Green - 0.5mm) High performance ink technology combines the best qualities of liquid and gel ink for a super-smooth writing experience Barrel and ink color: Green Extra fine needle tip, 0.5mm Deal includes 3 BLN75-D EnerGel pens and 4 LRN75-D refills