Servo saver to fit the RCD/Hitec brand servos. A servo saver is mounted to the servo output shaft(normally where the servo horn is attached), and contains a spring mechanism that gives way slightly in case of binding.  It is mostly used on the steering servo for R/C cars and trucks, and basically saves the servo gear train from stripping

-Hard nylon plastic construction, red in color
-single arm

Includes:   -one servo saver, w/mounting screw

Specifications:   -11/16 diameter   -1" total length   -5/16" thickness