Feature●4 replacement black Xbox Thumbsticks●Easy to replace by yourself using this simple teardown kit●Tamper Resistant T8 L key included (for wireless controllers only)●Works for both wired and wireless controllers made by Microsoft. May not work with 3rd party controllers.●Wired controllers will require a standard phillips screwdriver to disassembleDescription After using a controller for a while, one of the first things to wear out if the thumbsticks. These thumbsticks will replace your original thumbsticks and make your controller brand new and fresh once again.