Use these thumbsticks to replace worn-out or damaged ones on your Xbox One controller. Ideal for gamers who want to enhance their gaming experience. The thumbsticks are made of high-quality rubber and have a concave design for a better grip. They fit Microsoft Xbox One controllers without any modification. Size and grip style are similar to the originals. Installing requires opening the controller, which may void the warranty. You'll need a Torx T8 & T6 security screwdriver (not included). Comes in a 2-pack.