This is the Savox SC-0255MG Micro Metal Gear Digital Servo.



Features:

Over-spec refined design out performs ordinary micro size servo.
The aluminum case design looks awesome and allows for cooler operating temperatures.
Precision metal gears form a strong and solid framework.
Strict production and quality control of plastic components ensures long life and reliability.
Our servos are totally green – from materials to production, these servos are environmentally friendly.
Ideal for CCPM applications in 450 size heli's and park flier planes.

Dimensions(mm): 22.8X12.0X29.4
Weight(g): 15.8
Speed(@4.8V sec/60): .16
Torque(@4.8V oz-in): 43.1
Speed(@6.0V sec/60): .13
Torque(@6.0V oz-in): 54.2
Gear: Metal
Bearing: 1BB
Case: Aluminum
21 Tooth Spline