This is an awesome gel ink refill for the short Kaweco Rollerball pens, such as the Kaweco Sport. Tip is .7mm and ink is Black.
Ohto Pencil Ball Gel Pen Refill - 0.5mm
Energel Tradio Gel Pen Refill: Black - Craft Design Technology
Ohto Gel Refill .5mm - Black
Parker Gel Refill Blue Medium
Your Email (required)