100% brand new and durable Made of high quality Aluminum Alloy CNC aluminum alloy servo arm Easy to install and durable for long time use. There are Two springs. You can adjust the power of servo saver by adding or reducing the number of spring. Suit for RC all Moder Car 25T Servo such as Futaba Sanwa Tactic Acoms Tamiya Aitec Traxxas Savox ARRMA and so on
