Hitec RCD 31075S HS-75BB Retract BB Servo Speed (4.8V/6.0V): 0.45/0.34 sec @ 180 degree Torque oz./in. (4.8V/6.0V): 92/114, Torque kg./cm. (4.8V/6.0V): 6.6/8.2 Size in Inches: 1.73x0.90x0.98, Size in Millimeters: 43.94x22.86x24.89 Weight ounces: 1.23, Weight grams: 34.87