George Greenough 4A 9 inch / Single Fin This is the classic fin, George Greenough 4A (9 inch). With its moderate flex and uncharacteristic template, it's a popular model that works well with all kinds of boards. Retail Price: ¥15,950 [Condition] ・There are some scratches and minor marks from use, but there are no problems with use. ※Please check the photos. Additional photos can be taken if needed. [Size] ・9 inches ・Single Fin (center fin) [Features] ・Attractive for its extended turns, drive, and trim stability ・Great compatibility with hull and classic log boards ・Recommended for those new to Greenough fins Please refrain from purchasing if you are sensitive to used items. Feel free to comment if you have any questions. Thank you!