Satisfy your EnerGel? needs with this refill that provides quality and value. It is equipped with rich, acid-free, and archival safe ink that is non-smearing and quick-drying, guaranteeing that your documents will be archived safely. Quick-drying ink is also great for lefties as writing won't smear away with touch. Pen Refill Type: Roller Ball; Special Ink Type: Gel; Refill For Series: EnerGel? Pens; Tip Type: Metal.