Brand new, authentic, unused product. ↓ Japan's #1 Fin Maniac (tested around 230 fins) - NEST Store Manager's Trivia... If you purchase this fin set, you can set it up in a MAX of 7 different ways depending on the fin box! With this one fin set, you can enjoy the different feelings of various fin positions, making it a super multi-fin! For more details... Copy and search for https://youtu.be/24441206aIw?si=s9H5OLqFQuafgsmJ on Yahoo or Google, and you'll find an easy-to-understand explanation of the fins' characteristics. These fins are quite popular♪ Check out images 4-7, which show a size comparison with the FCS2 Mark Richards 2+1. *Currently, we are including 3 grub screws as a service when shipping. *Due to simultaneous sales in our store, this item will be removed from sale if it sells there. Thank you for your understanding. m(_ _)m *As this is a product sold in stores by an authorized dealer, we have checked and eliminated any B-grade items mixed in with the new ones. There are no B-grade items that are advertised as new. Of course, there are no fakes, so please feel free to purchase with confidence. (^^) If you have any other questions, such as whether we have the fins you want that you can't find on Mercari, or a comparison of the riding feel of these fins with the ones you are using, please feel free to ask in the comments section. We will answer as best we can. *Please understand that there may be some color differences between the photos and the actual product. *You can purchase it as is. *Fins labeled as "brand new, unused" are definitely new and unused, but there may be some minor scratches or print misalignments due to the manufacturing process, so please refrain from purchasing if you are very particular. *We generally do not accept price negotiations. m(_ _)m If you have any other questions, please ask in the comments section. Thank you for viewing. (^^) Type: Fin Fin System/Fin Box: FCS2 Fin System/Fin Box: FCS Number of Fins: Five Fins (5FIN)