Lef Right Slide Rail: The slide rail is for Nintendo Switch/Switch OLED JoyCon left and right slide rail replacement. The left and right slide rail only for Joy-Con for Nintendo Switch/Switch OLED . Which replace slide rail with a poorly contacted, loose or damaged rail to restore normal contact between the handel and console. 3D Analog Joystick: For Joy-Con left and right joystick for Nintendo Switch/Switch OLED, which for Nintendo Switch analog joystick are apply to the problem of the drifting, blind spots, dead spots, can't center, damaged or broken, long time to use, not sensitive, etc. The NS Switch OLED joystick are made of good quality, metal+ABS plastic material make it use more accurately and has longer working life. Set of Button Cable: Comes with SL/SR button key flex cable for Nintendo Switch/Switch OLED, and also with ZR/ZL/L button flex cable for Joy-Con of NS Switch. Which will help for Joycon to restore normal to use and help the button more sensitive. Lock Buckle with Springs: The lock buckle for Nintendo Switch/Switch OLED will help to fix for Joy-Con to prevent it from accidentally slipping. ‌It can also reduce the interference caused by the movement of the handle and improve the playing experience. Please install the NS Swithc lock buckle in the correct position. Suggestion Tips: If you do not have any installation experience for Nintendo Switch/ OLED slide rail replacing, we suggest to replace by professional. And come with set tools will help to replace accessorise replacement for Joy-Con.If you have any problem about the NS OLED slide rail for Joy-Con or need installation video, please leave a message. 1* Lef Right Slide Rail 1*3D Analog Joystick 1*Set of Button Cable 1*Lock Buckle with Springs 1*Set Tools