mks777This is an MKS HV777A+ Coreless Titanium Gear Hh Torque Dital Servo with an Aluminum Upper Case. Specifications: Torque: @6.0V: 409.7 oz-in (28 kgThis is an MKS HV777A+ Coreless Titanium Gear Hh Torque Dital Servo with an Aluminum Upper Case. Specifications: Torque: @6.0V: 409.7 oz-in (28 kg