The HS-5056MG Feather Servo is the perfect choice for larger indoor R/C, hand launch gliders, small electric Park flyers, and can handle the duties of smaller electric 3D aerobatic aircraft as well. Combined with a programmable digital amplifier, metal gears, and precision components that have been engineered to provide long lasting trouble free service, the HS-5056MG sets the standard for Digital, heavy duty, ultra micro servos