Microheli Metal Gear: Blade 180 CFX Servo MHEDS180MG This is the Microheli Metal Gear: Blade 180 CFX ServoFeatures:100% CNC machined from metalOptimized for rigidity, stability, durability and overall performance on the Blade 180 CFX servoProvide the best rigidity & durability, not only for long time use but also for high-efficiency performanceDirect-replacement of the stock plastic servo gearUnique and stylish Metal Gear design