Specifically Designed for 1/10 Scale Cars/Trucks and Perfect for 450-700 Class Helicopter Tail servo.

Features:

High performance Standard Size servo
High precision steel gears
High efficiency brushless motor
High strength dual ball bearings
Full Alumiunm case
Specs:

Operating Voltage: 4.8-8.4 V
Operating speed: 0.07 sec/60 @ 6.0V
Operating speed: 0.06 sec/60 @ 7.4V
Operating speed: 0.52 sec/60 @ 8.4V

Stall Torque: 16kg - 222 oz-in @ 6.0V
Stall Torque: 19kg - 265 oz-in @ 7.4V
Stall Torque: 23kg - 320 oz-in @ 8.4V
Gear: Steel
Motor: Brushless
Size: 40*20*37.2mm (1.57 x 0.78 x 1.46 in)
Weight: 79g
Connector Wire: JR 300 mm
Spline: 25T