100% Brand new and high quality. If there is a Deadzone issue, please resolve it through Armory Crate SE – Calibration.It's not caused by Thumb Stick Special skill and techniques required proper installation. Please check both the models and pictures before purchasing. Compatible Model:For ROG Ally RC71L Console, GPD WIN 3 WIN 4 Windows 10 Handheld Game Console Laptop and Pico 2 Pico 3 VR Controller Analog Stick P/N:RKJX21224001 1