This is a set of 24 red Mitsubishi ballpoint pen refills, SA-7N. The box is marked 10P, but contains 12 refills per box. The box shows signs of wear. These are unused but have been stored for a long time, so please refrain from purchasing if you are concerned about this. The actual product may look slightly different in color compared to the images. Please understand. The price includes shipping, so please refrain from price negotiations. Immediate purchase is welcome! Shipping will generally be via Yu-Yu Mercari, but may be changed to Raku-Raku Mercari depending on our circumstances. Thank you for your understanding.