Metal gears, this servo delivers a powerful torques of up to 3.5kg, making it for high applications requiring significant force Perfectly for aviation enthusiasts, professional model manufacturers, and educational institutions and high for their projects precise control with the DS239MG Servo, featuring advanced servo technology for accurate position management, ensuring stability in your remote controlled aircraft Enhances model making, competitive races, and flight demonstrations with the DS239MG Servo for maneuverability and durability For use in various remote controlled fixed wing models, helicopters, and other aircraft, offering excellent compatibility and adaptability across different environment