Zebra Sarasa JF-0.4mm Gel Ballpoint Pen Refill, Black, 10-pack, B-RJF4-BK

【Compatible Product】Sarasa Clip 0.4mm 【Features】Smooth and effortless writing / Dark, smudge-free, vivid color 【Ink】Water-based pigment ink with excellent water and light resistance 【Single Item Size】Maximum diameter Φ6.1 x Total length 111.1mm / Weight 2.6g 【Quantity】10 pens