Combines leading edge technology with super high 12 bit (4096) resolution and unique steel gears. Super light-weight. Coreless motor provides high speed, incredible efficiency, and low power consumption. Extremely strong unique 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 rock crawlers, monster trucks, and steering servo on 1/8th scale trucks or buggies. Dimensions(mm):  40.8x20.2x37.4 Weight(g):  80.0 Speed(@4.8V sec/60):  .16 Torque(@4.8V oz-in):  347.2 Speed(@6.0V sec/60):  .13 Torque(@6.0V oz-in):  416.6 Gear:  Unique Steel Bearing:  2BB Case:  Full Aluminum 25 Tooth Spline