Each propeller blade undergoes precise dynamic balancing to higher aerodynamic efficiency and lower power consumption. Safety design effectively reduces the risk of damage from unexpected situations. Crafted from materials, these propellers maximum reliability and performance. Designed to enhance the efficiency and stability of your drone operations. These high-quality propellers are engineered for optimal performance, providing enhanced flight endurance and stability. The dynamic balancing process ensures that each blade operates efficiently, reducing power consumption while maximizing aerodynamic efficiency. The robust materials used in construction reliability, making them suitable for various drone applications. Safety features are integrated to minimize risks during operation, ensuring peace of mind for users. Color: Black Material: plastic Package Contents: 2 pair 1157F Propeller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.