Features: Engineered with high efficiency aerodynamics, these remote airplanes propellers boosts flight speed by 20% while reducing air resistance, paired with 30% impacts resistant plastic for crash proof durability in demanding aerials maneuvers. Featuring easy installation and precisions control systems, the plug and play propeller set achieves stable 200 meter wireless operations through reinforced servo linkages and light weight structural optimization for seamless remote aircraft upgrades. Ideal for parents seeking STEM focused toy and hobbyists aged 14+, these crash resistant accessories serve both educational purposes for physics exploration and professional grade enhancements for experienced remote aviation enthusiasts. Perfect for backyard flight training, park based family activities, or open field aerobatic practice, the weather resistant blade maintain consistent thrust across grass, pavement, and uneven terrains during parent child bonding . These aviation grade replacement parts transform recreational flying into interactive science lessons, teaching aerodynamic principles through customizable flight patterns while ensuring long term reliability through materials innovation. Specifications: Component: ABS Package Includes: 2Pcs Plane Propeller 2Pcs Triple Holder 6Pcs Short Screw 2Pcs Long Screw note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.