Bundle: (2) CSRC-35 Ultra Nano Servo + (1) G.T. Power Digital Professional Servo Tester Save for purchasing as a bundle! Purchased separately these items would cost 24% more! CSRC-35 servos have the same specs as the HS-35 at a way better price! Perfect for micro 3D applications, sport aircraft, and micro/mini helis G.T. Power Professional Servo Tester is most accurate way to test your servos! Fully electronic for the most accurate, consistent testing; features high-contract LCD screen and large rotary knob for easy, simple programming