Adjustable type servo arm. 25T spine for futaba and servos. Great quality, Stable performance. Fine workmanship and in use. M3 threads for your car or helicopter joints. Metal construction, precision and durability most of the plastic material. High quality: Made of high-quality materials, the product is . Scope of application: applicable to for / E9001 Futaba Savox DIY Car Toy Fine workmanship: fine workmanship, looks very beautiful. Easy to use,Easy to replace Made of high quality metal novel appearance and exquisite workmanship suit for RC model car. CNC machined for precision. Increased strength and precision. Product Name: RC Metal Servo Arm Colour:Red 31mm Material:Metal Package Contents: 1 x RC Upgrade Parts kit 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.