SWB’s the original  aluminum Double-Loc Servo Arm These arms are not only designed to clamp around the output shaft, but they also make up for any inconsistencies in the output shaft sizes. These arms are made for using 4/40 DuBro Clevis (included). They have a insulation bushing for Delrin, NO Metal to Metal contact!! Great for Planes like Comp Arf or any others that lay the servo on it's side. Half arms are measured from the servo screw hole to the outside hole.

 (1) arm per package

Please Note: 8000/ 9000 series owners.

Please check your Hitec servo instructions.

If it states they are a 25 tooth spline use Futaba arms