Features: Made of high quality aluminum alloy, solid and abrasion proof. CNC Anodized aluminum link and servo horn for ultimate durability. Steering Link replacement for the original damaged parts, ensures long lifetime and better work performance. 25T servo horn fits for 1/18 TRX4M rc crawler servo. Size: Steering Link Length: 83mm / 3.27in; Servo Horn: 19 * 5mm / 0.75 * 0.2in. Specifications: Item Name: 25T Servo Arm with Steering Link Color: black & red & green Suitable for: 1/18 TRX4M rc crawler Package List: 1 * Servo Horn 1 * Steering Link 1 * Screw Set