Performance Propeller for Model Boats This precisionengineered propeller is designed to deliver reliable performance, smooth operation, and versatility for a wide range of RC and model boat applications. Its robust specifications and adjustable compatibility make it an choice for hobbyists and professionals seeking dependable propulsion. Key Features: Diameter: 10 inches (25.4 cm) for balanced speed and stability on the water Slope height: 4.5 inches (11.43 cm) for thrust efficiency Multiple bore sizes: approximately 3 mm, 4 mm, 5 mm, 6 mm, and 7.8 mm to fit various shaft types Includes prop shaft washer for secure mounting and compatibility with different shaft sizes Recommended wheelbase range: 550 mm to 700 mm for performance and handling Benefits: Versatile design fits multiple shaft diameters, reducing the need for additional parts Sturdy construction ensures longlasting use under various water conditions Optimized dimensions provide a strong balance between propulsion force and controllability Quick installation with included washer, minimizing setup time Recommended Applications: 1. RC racing boats requiring consistent speed and maneuverability 2. Scale model boats needing precise propulsion for realistic operation 3. Custombuilt watercraft projects where compatibility and ease of fitting are critical Whether used for competitive racing, hobby modeling, or custom craft building, this propeller offers dependable performance, adaptability, and straightforward installation, making it a valuable component for enhancing the capability of your vessel.