I'm selling this because I accidentally bought it. [Brand and Model] This product is PILOT FRIXION ballpoint pen refills. It's a reliable brand, and the quality is guaranteed. [Features] The 0.5mm fine tip provides a smooth writing experience and allows for precise writing. The black ink is suitable for any document. [Quantity] This set includes 3 refills, allowing for long-term use. - Brand: PILOT - Model: FRIXION - Size: 0.5mm - Color: Black - Quantity: Set of 3 Thank you for looking.