This bilaterally symmetrical servo arm is compatible with standard 9g micro servos available on the market. The dual rocker arms are integrally molded, and both left and right arms feature multiple pre-drilled mounting holes, allowing you to freely adjust the linkage mounting distance and output stroke. Its central spline shaft hole conforms perfectly to the standard specifications of typical 9g servos. With exceptional versatility, it can be used for fixed-wing model aircraft, remote-controlled boats, small robots, smart vehicles, and DIY modifications of miniature mechanical transmission systems—replacing original servo arms and supporting structures such as dual-link synchronous drive and bidirectional control of control surfaces.

       It is suitable for temporary replacement when a servo arm is damaged; for long-term use, we recommend printing it using engineering-grade filaments.