YOKOMO ALUMINUM 20mm CLAMP SERVO HORN(23T Spline)(ZC-204320A)
This is an aluminum servo horn that transmits servo operation more directly. It is designed to fit the servo shaft spline (23T) made by Sanwa and KO, and the distance from the servo output shaft to the center of the pillow ball mounting hole at the tip is 20mm. It is the perfect size for touring cars.