Thank you very much for viewing this product. ■ Product Description ■ This is a new, unopened item. It is a set of 10 black XKFGN5-A refills, 0.5mm. * Although this is a new, unopened item, the ink may harden and not flow due to deterioration from long-term storage. We cannot confirm the usability as it is unopened. Please purchase only if you understand this. Also, please make sure that it is suitable for your ballpoint pen before purchasing. Please check in advance before purchasing. Compatible product: hybrid Technica KN105 We also have various discontinued Pentel ballpoint pen refills for sale. Please consider those as well. ■ Notes on Purchase ■ ・ Even if the product is described as "new," there may be scratches or stains (discoloration) due to long-term storage in stores. ・ For products listed as new and unopened, we cannot confirm the operation because they are unopened. ・ If there are multiple items in stock, the image is a sample. In that case, we will ship from other stock. ・ We respond to comments, etc., sequentially, so replies may be delayed. ・ To avoid trouble, we are sorry, but we do not accept "hold" requests. ・ Since we may be listing on other sites at the same time, the item may already be sold out and out of stock. Therefore, if the item is out of stock, we may have to cancel the transaction. For older items, it would be helpful if you could leave a comment before purchasing. ・ If you purchase multiple items at the same time and the shipping address is the same, we will ship them together at our discretion. * If you wish to have them shipped separately, please let us know. ■ About Shipping Method ■ ・ Shipping is usually via Yu-Yu Mercari Mail Yu-Packet Post Mini. ・ You can change to Rakuraku Mercari Mail at no additional charge. If you wish, please let us know in the comments when you purchase. ・ We are not responsible for any loss after shipping. Please understand. Thank you for your understanding and cooperation. We also sell stationery and other items, so we would be grateful if you would visit our page. We offer discounts if you purchase in a set with other listings!