The product comes standard with a screwdriver, the propeller is adapted to the original screws, no screws are delivered Light weight, strong pulling force，and is designed to provide a stable and efficient power source for the aircraft. After precise dynamic balance inspection, provide strong pulling force for the flying machine High toughness material, high aerodynamic efficiency. The low noise design helps reduce the overall noise of the propeller, especially during takeoff and landing The propeller has a long service life and best performance, which greatly improves the quality and hardness of the propeller and is not easy to damage Deliver a quieter flight with increased efficiency and extended flight time.These propellers also feature a quick release design to help make changes quick and easy Caution The product comes standard with a screwdriver, the propeller is adapted to the original screws, no screws are delivered. Easy and convenient to install and remove. Nice replacement accessory for the old or broken one To ensure safe flying practices, it's necessary you check and change your propellers regularly. Replacing your propellers regularly can provide increased agility Main material: PC Attributes: orange, gray, green, pink Net weight: 1g (single) Product Size: 4.6*1.3*0.7cm Packing list: Propeller (pair) x 1 Screwdriver x 1 Or Propellers(pair) x 2 Screwdriver x 1