Compatible with the DJI FPV drone remote control. Preventing your fingers from slipping and provide more accuracy and sensitivity through the joystick length controlling. Detachable: Designed to be detachable, it can be rotated and attached onto the remote controller. Durable to Use: Made of high quality alloy, which is durable and tough, perfect replacement for your old control rocker. With non-slip grain for comfortable hold, exquisite appearance for a better experience. Specification: Color: Gold Color Material: Aluminum alloy Size: Diameter 9mm, Length: 26.2mm / 32.2mm Package Includes: 2Pcs Thumb Rocker Stick Note: Conversion: 1inch=2.54cm, 1cm=0.393inch Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!