X20-8.4-50 is an incredibly powerful servo that features a full CNC aluminum case, high power coreless motor, and metal gears throughout. Boasting an incredible 45Kgf.cm of torque at 8.4V. The X20-8.4-50 will suit a wide variety of RC applications from giant scale aircraft, 1/8 scale nitro and electric off-road or on-road vehicles, crawlers, and much more!