Sturdy structure and durable PVC construction with smooth surfaces and a matte texture for long wear resistance. These paddle board fins are a robust replacement option that perform reliably under regular use. Provides stability and control in the water. This professional design helps maintain buoyancy and precise steering, improving manoeuvrability for both beginners and experienced riders. Wide compatibility for flexible use. Suitable as a replacement fin set for inflatable paddleboards, kayaks, or longboards that use a retractable fin base on the market. Easy to set up. Insert into the fin box and tighten the screws—no tools required. Quick installation saves time and gets you on the water faster. Use scenarios: - Replace worn fins on an inflatable paddleboard to restore stable tracking during calm lake sessions. - Upgrade for better control and maneuverability when paddling in windy or choppy conditions during a touring trip. - Use across multiple boards (inflatable paddleboards, kayaks, or longboards with retractable fin bases) for consistent performance and convenience.