Zebra Refill Sarasa JF-0.5 Core B-RJF5-BK [Black 10 pieces] The outer box of the ballpoint pen is not included. 800■142 About this product [Compatible products] Sarasa Clip 0.5mm / Sarasa 0.5mm / Sarasa SE 0.5mm [Features] Smooth, flowing writing feel / Rich, non-smudging, vivid color [Ink] Water-based pigment ink, excellent water resistance and light resistance [Single item size] Maximum diameter Φ6.1 x total length 111.1mm / Weight 2.6g [Quantity] 10 pieces Compatible products: Sarasa Clip. Gel ballpoint pen refill. Ball diameter: 0.5mm Ink color: Black Ball diameter 0.5mm Plastic recycling Compatible products Sarasa 2+S (SJ2) Sarasa 2+SB (SJ2) Sarasa 3+S (SJ3) Sarasa 3 (J3J2) Sarasa 3B (J3J2) Sarasa 4 (J4J1) Jimknock JK (JJ10) Airfit Light (JJ61) (Gel ballpoint pen) Green Purchasing Law Size: Total length 96.0mm, Maximum diameter 3.5mm GPN Eco Product Net Weight: 0.8g