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 Arm Material: Aluminum Alloy Size: Approx. 31 x 10mm / 1.2 x 0.4in Teeth: 25T Fitment: Fit for 4 Fit for 1/8 1/10 RC Car Package List: 1 x RC Servo Arm