1. The upgrade parts are designed and manufactured by E-VIRATRUE team.
2. The upgrade parts are made of 7075 aluminum, parts processed by CNC 3D machine
3. The servo arm has 25T on either side.
4. The 25T servo arm has been hard anodized.
5. The 7075aluminum hard anodized 25T servo arm fits E-VIRATRUE brand's steering system set for 25T servo for Losi Hammer Rey U4&Losi Baja Rey 1.0&2.0&Losi Rock Rey& Losi RZR Rey 1/10. 
6. Pls feel free to contact with us if you have any questions about E-VIRATRUE products.
Email: Zhengcaijiwu@126.Com
7. We will ship the package by DHL or 4PX when we have received the orders within 1~2 days.