Replacement aluminum alloy servo arm designed for WltoysK989 K999 K979 K969 RC car. Great power system part to enjoy rc playing funny! Features: Suit for WltoysK989 K999 K979 K969RC car. Lightweight aluminum alloy material, durable and designed for long-term performance. Novel design, upgraded appearance and exquisite workmanship, strong arm to transmit the power of servo to make the car steering and climbing easily. High Wear-resistant and excellent durability. Compared to other brand one definitely worth what you bought. We are glad to provide the best product and the best services to our customers. Any question, please contact us without hesitation. Specifications: Item Name: Servo Arm Color: Blue Main Material: Aluminum alloy Suitable for: WltoysK989 K999 K979 K969 Package information: Package size: 8*6*1cm Package weight: 2g Package List: 1* Servo Arm