KO Propo Servo PDS-2413 ICS Digital (8.5 Kg - 0.10sec) Speed : 0.10s @ 60°(6.0V) Torque : 8.5kg-cm (6.0V) Size : 41 x 21 x 25.4 mm Weight : 44.8 g Metal Gears Low Profile Dual Bearings