Requires technical internal fitting, the modded controllers must be opened to install.The tools required to replace the buttons are included in the package.Watch installation video on Youtube will be helpful if you do not know how to install them, be careful and patience will avoid some unnecessary mistakes.PACKAGE INCLUDES: 6 x Joystick Thumbsticks1 x T8 Screwdriver1 x Prying Tool1 x Triangle Opening PicksNotes: The controller is not included.Features SAVE MONEY!Joysticks for Xbox One/ Xbox One S controllers, completely rubberized on the top & sides,replace your broken or worn-out controller thumbsticks.COMPATIBILITY: For Xbox One, for Xbox One S, for Xbox One X, PS4 controllers.only compatibility with official controllers,NOT FOR any Third-party brand controllers.To see other accessories for Xbox One controllers in our range, simply search 'TOMSIN' in the search bar above.EXTRA COMFORT: The top and sides are coated with soft rubber, make your thumbsticks feeling the same and like new again.PACKAGE INCLUDE: 6 x Joystick Thumbsticks, 1 x T8 Screwdriver, 1 x Prying Tool, 1 x Triangle Opening Picks