Feature:1. CNC machining makes it accurate size, stable performance, with high strength and durability and not easy to deformation.2. 25T servo arm provides cushioning and protection for your RC car model, wonderful upgrade parts.3. Special designed for 1/8 1/10 RC car model, 31 x 10mm / 1.2 x 0.4in of the accurate size.4. Small size, light weight, no extra burden, and easy to install and disassemble.5. Made of high quality aviation aluminum alloy material, durable, long service life.Specification:Item Type: RC Servo ArmMaterial: Aluminum Alloy Size: Approx. 31 x 10mm / 1.2 x 0.4inTeeth: 25T Fitment: Fit for TRX4Fit for 1/8 1/10 RC Car.Package List:1 x RC Servo ArmNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.