For a smooth & fluid writing experience, choose the Quink ink refill for your Parker rollerball pen. Each refill is filled with premium Quink ink for clarity of line & richness of color. Use this ink refill to replace the existing Parker rollerball pen refill, or simply swap out the refill to change your ink color. Refill Format: Standard Rollerball; Refill for Series: Parker Roller Ball Pens; Refill Ink Color: Black; Color Family: Black.