Motor propeller for 9.9–20 HP outboard engines designed to deliver higher thrust, quieter operation, and more efficient propulsion. Key benefits Superior thrust and consistent performance: Engineered to provide stronger push and reliable responsiveness for engines rated 9.9–20 HP. Quieter, smoother operation: Designed to reduce vibration and noise compared with standard props, improving comfort on the water. Streamlined boating and improved propulsion: Helps small-boat owners, anglers, and boat enthusiasts get better acceleration, maintain speed with less load, and achieve steadier handling. Compatibility and function Compatibility: Sized for use with outboard engines from 9.9 to 20 HP. Check your engine specifications to confirm fit. Primary function: Replace or upgrade a standard propeller to increase thrust and improve overall boat propulsion without changing engine tuning. Performance: Optimized for dependable thrust in a range of recreational conditions, from calm waters to typical lake and bay use. Practical use scenarios Quiet lakes: Maintain low noise and steady speed while touring or cruising on quiet lakes where minimal disturbance is important. Recreational fishing: Improve trolling control and low-speed maneuverability when positioning for casts or holding a spot. Small-boat daily use: For small-boat owners who want a straightforward upgrade to improve responsiveness and propulsion for general day trips and light load carrying. Who this is for Small-boat owners, anglers, and recreational boaters who want a direct, practical propeller upgrade to boost thrust and reduce noise on 9.9–20 HP outboards. Notes Verify engine compatibility and propeller fit against your outboard model and hub specifications before purchase.