Considered one of the most powerful servos in the micro class, the HS-65 is offered with a choice of shock resistant Metal or zero wear Karbonite gears. The 65 series features a top-ball bearing for long life and positive centering, 31 ounces/inches of power at 6 volts and is an excellent choice for higher performance micro helicopters, electric park flyers, and 1/18 scale cars. Four metal gears with one ball bearing High efficiency Nd magnet motor Product Description Considered one of the most powerful servos in the micro class, the HS-65 is offered with a choice of shock resistant Metal or zero wear Karbonite gears. The 65 series features a top-ball bearing for long life and positive centering, 31 ounces/inches of power at 6 volts and is an excellent choice for higher performance micro helicopters, electric park flyers, and 1/18 scale cars. Servo Technical Specifications Weights & Dimensions Weight 11.9g 0.42oz Shipping Weight 0.02kg 0.04lbs Product Height 24mm .94in Product Width 12mm .45in Product Length 24mm .92in