Compatibility: Perfectly fits for RC//RC remote controllers, ensuring a precise fit and compatibility. Materials: Made from high-quality materials, these thumbsticks are and reliable, perfect for frequent use. Easy Installation: These replaceable thumbsticks install easily without tools, allowing for quick replacements and minimizing downtime. Enhanced Control: These ergonomically designed thumbsticks provide a better grip and smoother movement, ensuring more precise control and enhancing your drone flying experience. Must-Have : Keep these accessories handy as to you're always prepared for any situation, extending the life and functionality of your remote controller. Color: A:Black Material: Aluminum Alloy Package Contents: 2 x Thumb Rocker Joysticks Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.