Zebra Gel Ballpoint Pen Refill Sarasa JF-0.7mm Core [20 Black Cores] RJF7-BK 1500■ Outer box not included Color: Black Ink Color: Black Brand: Zebra (ZEBRA) Material: Resin Product Dimensions (Length x Width x Height): 13.8 x 4 x 2.8 cm About this product [Compatible Products] Sarasa Clip 0.7mm / Sarasa 0.7mm / Sarasa SE 0.7mm [Features] Smooth, flowing writing feel / Rich, vivid color without smudging [Ink] Water-based pigment ink, excellent water resistance and light resistance [Individual Size] Maximum diameter Φ6.1 x total length 111.1mm / Weight 2.6g [Quantity] 20 pieces Compatible products: Sarasa Clip. Gel ballpoint pen refill. Ball diameter: 0.7mm