Motor Type: 3 Pole Bearing Type: Dual Ball Bearing Speed (4.8V / 6.0V / 7.4V): 0.20 / 0.15 / 0.13 sec/60¼ Torque oz-in (4.8V / 6.0V / 7.4V): 87 / 122 / 139 oz-in Torque kg-cm (4.8V / 6.0V / 7.4V): 6.3 / 8.8 / 10.0 kg-cm Size in Inches: 1.59 x 0.77 x 1.48 in Size in Millimeters: 40.6 x 19.8 x 37.8 mm Weight oz: 2.11 oz Weight g: 59.8 g "PLEASE NOTE: Some newer model Hitec servos use a 25T output spline. Please confirm which spline your servo is equipped with before placing your order"Hitec D625MW High Speed Metal Gear Servo