Features: These high efficiency propellers deliver enhanced thrust and flight stability while operating with remarkably reduced noise levels, perfect for enthusiasts. Crafted from impacts resistant PC composite materials, these quick install propeller blade feature easy mounting mechanisms and precise balanced aerodynamics for seamless maintenance. Ideal for owners seeking professional performances, whether capturing cinematic air footage or conducting precise inspections in noise sensitive environments. Optimized for city operations, parks, and crowded event where low decibel propellers minimize disturbance while maintaining agile maneuverability during complex flight patterns. Rigorously tested for durability against wear and vibrations, these exclusive Propellers ensures long term reliability with their proprietary airfoil design and perfect motor compatibility. Specifications: Component: PC Length:Approx.15.2cm/5.98inch Option Type:2Pair,4Pair; Applicable scenario:Agricultural testing,Construction; Package Includes: Package A 2Pair Propeller Package B 4Pair Propeller note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.