This is the Savox SC-0251 High Torque Metal Gear Digital Servo.
NEW SOFT START Technology and Sanwa SSR Compatibilty
•Precision metal gears form a strong and solid framework
•Strict production and quality control of plastic components ensures high performance
•Our servos are totally green – from materials to production, these servos are environmentally friendly.
•This high torque servo is great for crawlers, 1/8 scale vehicles and up to 50cc class airplanes.
Speed(@4.8V sec/60): .20
Torque(@4.8V oz-in): 180.5
Speed(@6.0V sec/60): .18
Torque(@6.0V oz-in): 222.2
Bonus: Each Savox Metal Geared Servo sold through Thunderboltrc.com includes a properly sized Socket Head Cap Screw - No more stripped Phillips head screws!!