Features: This propeller adapter features general compatibility for various fixed wing models, with a tool easy quick install design that ensures effortless propeller changes and enhanced flight stability for remote control aircraft enthusiasts. Crafted from easy carry , erosion resistant aluminum alloy, the propeller clamp provides precise and secure holding to prevent slippage during high speed flight, maintaining optimal performances without adding bulk. Ideal for both beginners and professional aircraft hobbyists, this adapter caters to users who demand stable , easy to use parts for frequent propeller swaps in demanding flying conditions. Perfect for outdoor flying event in humid or coastal environments, it allows for rapid propeller adjustments without tools, making it essential for scenarios where unexpected changes are needed during model aircraft activities. enhances your fixed wing model durability and efficiency with this robust propeller clamp, designed to extend flight times and improve maneuverability through its high strength aluminum construction. Specifications: Component : Aluminum Size: about 3.17x5mm/3.17x6mm/4x6mm(optional) Package Includes: 5xPropeller Fixing Adapter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.