High Torque Digital Metal Gear Largescale DC Servo.

Gear material: Metal 
Bearing Type: 2 BB
Weight: 146g / 5.1oz
Dimension: 65.8*30*57.4mm³ / 2.6*1.2*2.3in³(LxWxH)   
Torque: 42kg-cm/6.0V; 50kg-cm/7.4V; 54kg-cm/8.4V
               579oz-in/6.0V; 689oz-in/7.4V; 744oz-in/8.4V
Speed: 0.155sec/60°/6.0V; 0.13sec/60°/7.4V; 0.115sec/60°/8.4V
Dead band width: 4µs 
Splining: 15T
Application: Largescale cars, Aircraft, Helicopters, Boats, Drones, Robots.