Application: Replacement rollerball pen refill is suitable for many rollerball pens, help extend the life of your favorite writing pen. Suitable for universal writing, highly reliable, suitable for all papers.Specification:Color: Black;Material: Plastic;Point Size: 0.5mm / 0.02 inch;Length: 110mm / 4.4 inch;Diameter: 5mm/ 0.2 inch;Packing List: 30pcs black ink.Advantage: Slim ballpoint pens use black ink that flows evenly to ensure smooth writing. Sufficient quantity can not only meet your own needs, but also share with family and friends.Instruction: Refill tip is sealed with protective wax to keep the ink from drying out. Pull it out when using.Note:Please double check if the specification fit your pen before purchase.
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