mks777This is an MKS HV777 Coreless Titanium Gear Hh Torque Dital Servo with an Aluminum Upper Case. Specifications: Torque: @6.0V: 344.4 oz-inThe MKS HV777 was the first MKS servo that I tried, and I have never looked back since. MKS already known in other flying circles, such as helicopters and gliders, they have done an amazing job now on their plane series too.