Durability: Designed Compatible with enhanced resilience during intense indoor racing sessions. Compatibility: Suitable Compatible with various RC models, ensuring versatile use across different drones. : Crafted Compatible with flight performance, providing stability and control during maneuvers. Dimensions: Features a compact 40mm size, ideal Compatible with tight spaces and agile flying. Design: Four-configuration promotes improved lift and responsiveness in flight. Type: Specifically engineered Compatible with racing applications, maximizing speed and agility. Installation: Easy to attach and detach, facilitating quick replacements Compatible with busy racers.