Hitec 31081S HS-81 Sub Micro Servo Motor Type: 3 Pole Bearing Type: None Speed (4.8V/6.0V): 0.11 / 0.09 sec @ 60 deg. Torque oz./in. (4.8V/6.0V): 36 / 42, Torque kg./cm. (4.8V/6.0V): 2.6 / 3.0 Size in Inches: 1.17 x 0.47 x 1.16, Size in Millimeters: 29.72 x 11.94 x 29.46, Weight ounces: 0.58, Weight grams: 16.44