◎ Anonymous shipping OK ◎ Instant purchase OK ◎ Brand new, unused No price negotiations [Compatibility] Keel fins, twin keel fins, surfing, carbon composite Twin keel fins compatible with various boards, offering solid construction at a reasonable price! Recommended for beginners and those who want to try twin keel fins.* The color is matte black for a cool finish. [Color] Matte Black, Black [Compatibility] FCS [Available Sizes] FCS FCS2 FUTURE ↓↓↓↓↓↓↓↓↓ If you want other sizes, please contact us in the comments section! We will check the stock! [Material] Carbon composite material ☆About Packaging☆ Simple packaging. We inspect the items before shipping, but if there is any damage, please contact us before giving a rating. We cannot accept returns after the transaction is complete, so please be careful. ☆About Measurements☆ Measured flat. Please note that there may be slight errors due to amateur measurements. ☆About the Product☆ Due to overseas production, there may be a unique smell, slight misalignments, fraying, or variations in shape and size.