Feature:1. Convenient Installation: This accessory is easy to install and you can easily replace the old parts, giving your remote control aircraft a new look and a whole new experience.2. Fine Manufacturing Process: We use fine technology, the use of superior grade of raw materials, to ensure the service life of products, to provide guarantee for the quality of products.3. Improve Performance: Our accessories can enhance the control performance of RC helicopter, so that your remote control aircraft has a better fun play experience.4. Upgraded Steering Gear: Upgraded metal gear steering gear, stronger performance, more in line with the requirements of remote control helicopter, bring you stronger performance experience.5. Applicable Models: Suitable for WLtoys XK K110S K127 remote control aircraft, you can choose to buy the corresponding parts according to your remote control aircraft model.Specification:Item Type: RC Helicopter Metal Gear ServoWeight: 7g/0.25ozCase Material: plasticGear Material: steelColor: BlackApplication: for WLtoys XK K110S K127 remote control aircraft.Package List:1 x Steering Gear 1 x Steering Gear Arm 1 x Screw