5pcs 25T M3 Metal RC Servo Arm Horn for Futaba Savox Xcore HL HSP HD Power 5 x 25T M3 Metal RC Servo Arm Horn for Futaba Savox Xcore HL HSP HD Power 3-20kg Features: Color: Blue, Red Material: CNC Aluminum. Adjustable type servo arm. 25T Spine for Futaba and Power HD Servos. Includes two steel bolts to secure the split-clamp onto the servo output. M3 threads for your car or helicopter joints. Hole centers at 20 and 24mm from the servo output. Item size: 35 * 15 * 6mm / 1.4 * 0.6 * 0.2in Item weight: 5g / 0.2oz Package List: 1 * 25T M3 Metal RC Servo Arm Horn