This high-quality Direct Mount Servo Saver is a direct replacement for your kit supplied itemFeatures:Strong composite material for long-lasting durability in all conditions - Servo horn and servo saver combined in one compact unit - Consistent steel spring controls the servo saver action - 23T servo spline suitable for Spektrum servos - Molded in black composite material to distinguish it from the red color 25T spline version #AR340151Includes:1 x Direct Mount Servo Saver (23T Spline)