Replacement PC Propellers for Small Aircraft and Drones — 2 Pairs Gray Product highlights Lightweight and balanced: Each propeller weighs approximately 1 g and measures 4.6 x 1.3 x 0.7 cm, providing responsive performance without adding excess weight. Durable polycarbonate construction: Made from toughness PC material for improved wear resistance and long service life. Aerodynamic and low noise: Precision dynamic balance inspection and a low noise blade profile reduce vibration and help decrease overall flight noise during takeoff and landing. Stable thrust: Designed to deliver stable and efficient thrust for better flight control and responsiveness. Easy installation: Includes a screwdriver for mounting. Propellers are adapted to original screw mounts; screws are not supplied. Key specifications Main material: PC (polycarbonate) Net weight: about 1 g per propeller Size: 4.6 x 1.3 x 0.7 cm Available colors: orange, gray, green, pink This listing: 2 pairs gray (includes screwdriver) Packing options Option A: Propeller pair x 1 plus screwdriver x 1 Option B: Propellers pair x 2 plus screwdriver x 1 Note: The product comes with a screwdriver. Propellers are adapted to original screws and no screws are delivered. Why choose these propellers worn or damaged blades quickly to maintain flight stability and responsiveness. Precision balancing reduces vibration, contributing to smoother flights and less stress on motors. Robust material and blade design offer a good balance of toughness and aerodynamic efficiency for routine flying. Recommended use scenarios Replacement set for hobby drones after crash or wear: Quick swap to restore normal flight characteristics. Training and practice sessions: Keep spare pairs on hand to maintain consistent performance during frequent flights. Indoor and outdoor casual flying: Low noise design and stable thrust make these propellers suitable for general recreational use. Installation and maintenance tips Use the supplied screwdriver for installation; confirm propeller orientation before tightening. Propellers are designed to fit original screw mounts. If original screws are lost, acquire compatible screws before mounting. Inspect propellers before each flight and if cracked, chipped, or significantly worn. Regular replacement helps maintain safe flying practices and consistent handling. This product provides a straightforward, compatible replacement propeller option with emphasis on balance, durability, and ease of installation.