This product is perfect for Xbox 360 gamers who want to add a unique touch to their controllers. The metal thumbsticks and bullet buttons set is made of high - grade aluminum alloy. It features cool 9MM and 30 Caliber bullet casing designs. It's designed to fit official Microsoft Xbox 360 controllers. To install, you'll need to open the controller (medium technical level) and a T8 screwdriver (not included). Use it during your gaming sessions to stand out from the crowd and enhance your gaming experience.