Enhance your RC boat's performance with these precision-engineered water knife turn fins, specifically designed for 60-75cm electric and nitro-powered remote control boats. These 55x21mm fins are compatible with Feilun FT012 and FT011 models, providing superior maneuverability and control on the water. The durable metal construction ensures long-lasting performance, while the sleek, knife-edge design helps reduce water resistance for optimal speed. Each set includes two fins with mounting hardware for easy installation. These turn fins are essential upgrades for serious RC boat enthusiasts looking to improve their vessel's handling characteristics and racing performance. The precision-machined components ensure smooth operation and reliable performance during high-speed turns and maneuvers.