The SW0241MG is our waterproof ultra torque 5th scale metal gear digital servo. This servo is high voltage capable and features 555.5oz-in torque @ 7.4V. Dimensions(mm) 65.8 x 30.0 x 59.1, Weight(g): 200.0, Speed @6.0V:.21sec, Torque@6.0V: 416.6 oz-in, Speed @ 7.4V:.17sec, Torque @ 7.4V: 555.5oz-in., Gear Type: Metal, Bearings: 2 BB, Case: Aluminum Center, Spline 15-Tooth.