A high-quality servo horn assures you get the most performance from your servo. AMain stocks plastic, nylon, aluminum and metal horns for all brands, 23-spline, 24-spline, and 25-spline. Sets, multi-arm, single-arm and wheel-style horns available to transmit maximum speed, torque and precision to your RC rock crawler, trail truck, rock racer or 4X4's steering, dig, or shifting system. Any servo horn you need to repair, fix or upgrade your RC model is here.