From the Manufacturer

The HS-5056MG Premium Digital Feather Servo is the perfect choice for larger indoor R/C, hand launch gliders, small electric Park flyers and can handle the duties of smaller electric 3D aerobatic aircraft as well. Combined with a programmable digital amplifier, metal gears and precision components that have been engineered to provide long lasting trouble free service, the HS-5056MG sets the standard for Digital, heavy duty, ultra micro servos. Features Motor Type: 3 Pole Bearing Type: Top Ball Bearing Speed (4.8V/6.0V): 0.12/0.10 second Torque oz./in. (4.8V/6.0V): 16.7/19.4 Torque kg./cm. (4.8V/6.0V): 1.2/1.4 Size in Inches: 0.88x0.45x0.94 Size in Millimeters: 22.35x11.43x23.88 Weight ounces: 0.45 Weight grams: 12.76.