Combines leading edge technology with super high 12 bit (4096) resolution and unique steel gears. Super light-weight. High speed, incredible efficiency, and low power consumption. Extremely strong metal steel gears ensure long-life and durability. The full aluminum case design not only looks good but also allows for cooler and smoother operating temps. Our servos are totally green – from materials to production, these servos are environmentally friendly. Ideal for 5th scale vehicles Dimensions(mm):  65.8x30x57.4 Weight(g):  200 Speed(@6.0V sec/60):  .21 Torque(@6.0V oz-in):  416.6 Speed(@7.4V sec/60):  .17 Torque(@7.4V oz-in):  555.5 Gear:  Metal Bearing:  2BB Case:  Aluminum Middle