This high quality, high performance servo is intended to appeal to discerning modellers that only want the best. It's plastic case, ball-race, coated metal gears, regular motor and digital amplifier provides the perfect solution to your servo needs. If torque at an amazing price is what you need, this is the servo for you! The case centre is CNC machined from solid Aluminium for the very best in strength and rigidity. The Main Case is made from plastic to provide you this servo without the high price tag. Check through the specifications and performance and we are sure you will agree! Specifications Case Centre Aluminium Main Case Plastic Operating Frequency 1520µs/330hz Water Resistant No Weight 62g Bearings Twin BB Gear Type Aluminium w/TiCn + brass Speed 0.16 sec @ 4.8v Speed 0.14 sec @ 6.0v Torque 17.25 kg/cm @ 4.8v Torque 20.32 kg/cm @ 6.0v Voltage 4.8 - 6.0v Dimensions 40.5 x 20.2 x 38mm Electric Motor Brushed