Key Features O-ring seals. Water resistant. 3P iron core motor. Metal gears. 25 tooth spline. High voltage. Dual ball raced output shaft. Product Description Offering the size, power, torque and speed to suit a variety of applications Radient servos are rapidly building a reputation for reliability that compliments their outstanding value. With its dual ball raced output shaft, metal gears, high voltage capability plus impressive torque and speed, the RS-SD201-MG is a perfect example. Specification: Weight (g): 56 Speed at 6.0V (secs / 60deg): 0.12 Speed at 7.4V (secs / 60deg): 0.10 Torque at 6.0V (kg.cm): 9.0 Torque at 7.4V (secs / 60deg): 10 Size (mm): 40.8 x 20.1 x 38.0 Voltage (V): 6.0 / 7.4