Vibrant gel ink will assure your style gets noticed. Releases a smooth ink flow producing clean, crisp lines. Quality and value is paramount to the products Zebra manufactures. Every product undergoes vigorous quality assurance testing to guarantee writing performance and maintain the standards Zebra customers have come to expect. Zebra offers a selection of refills and accessories to complement and extend the life of the most popular Zebra writing tools. Zebra's Rapid Dry Ink Technology allows ink to dry in seconds on most surfaces. Refill Format: Standard Gel; Refill For Series: Zebra® GR8 Gel Ink Pens, Jimnie® Gel RT, Orbitz Gel Pens, Sarasa™ Gel Pens, Sarasa™ SE Gel Pens, ecoSarasa™ Clip Gel Pens, Z-Grip® Gel Pens, Z-Grip® MAX Gel Pens; Refill Ink Color: Black; Color Family: Black.