Powerhobby 701MG 1/5 Waterproof High Speed / Torque Servo Features: Middle Aluminum Case Strong Metal Gears 2BB Ball Bearing 15T Aluminum Servo Horns Waterproof Coreless Motor Specs : Stall Torque 50.0 kg-cm (675 oz-in) @ 6.0V 70.0 kg-cm (950 oz-in) @ 7.4V Operating Speed 0.17 sec/60° @ 6.0V 0.14 sec/60° @ 7.4V Dimensions L x W x H (mm): 65.8 × 30 × 56 mm