Zebra Gel Ballpoint Pen Refill Sarasa JF-0.3 Core Black 10 Pieces B-RJF3-BK 800 Product Description This is a water-based pigment refill for gel ink ballpoint pens. It features gel ink that offers a smooth, light writing feel and vivid color, making it recommended for use in planners and for writing small characters. It can be used as a refill for the Sarasa Clip 0.3, which can be clipped to thick boards and other items thanks to the binder clip. About this product [Compatible Products] Sarasa Clip 0.3mm [Features] Smooth, flowing writing feel / Rich, non-bleeding, vivid color [Ink] Water-based pigment ink with excellent water resistance and light resistance [Individual Size] Maximum diameter Φ6.1 x total length 111.1mm / Weight 2.6g