FCS fins, a set of 6 made of glass flex. M-3 tri-fins, 3 pieces M-5 tri-fins, 3 pieces This is the set. I haven't used them much and have been storing them. There are almost no scratches, and I think they are clean. They are used items, so please judge from the pictures and if you understand, I would appreciate it if you would purchase them. (Request) Please read my profile and leave a comment. (Regarding the shipping period, I may ship earlier than the period stated.)