1. High-quality materials: Made of CNC aluminum alloy, anodized to high strength and resistance. 2. Performance: The 25t servo arm fully matches the recessed tie rod installation position setting, as well as the design of three mounting holes. 3 installation positions: 11.5mm/15.9mm/19.5mm (measured from hole center to hole center) The same specification of both heads is 25T, which means one servo arm has 3 lifespans 3. Easy to install: The steering horn is easy to install and remove, and easy to carry. No complicated installation steps are required, and the installation is easily completed 4. Suitable for 1/10 RC model 25T servo Colour:Black Material:Aluminum Alloy Package Contents: 5 x Servo Arm Horn 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.