1、Complete DIY Parts Kit: Including ball head, 30 cassette buttons, 24 cassette buttons, rocker wire, button connection wire rocker, USB rocker chip, USB connection wire, gasket. 2、Sturdy: The buttons are made of premium materials, resistant to high temperature and sturdy. Equipped with a dust proof gasket; the ball is removable and can be replaced with different balls. 3、Applications: Used for home console DIY, fighting game console etc. Suitable for friends gathering, relative entertainment, nostalgia. 4、Own USB Cable: The encoder has its own USB cable, so it will not have any effect on other players. Let you have a better gaming experience. 5、Precise Design: The size design of the product itself has been carefully calculated to make the game experience smoother and at the same time reduce wear and prolong life. Item Type: DIY rocker accessories Material: Plastic, hardware Gross Weight: 680g / 24.0oz Application: home console DIY, , fighting game console etc. 2 x Ball Head 16 x 30 Button 4 x 24 Buttons 2 x Rocker Wire 20 x Button Connection Wire 2 x Joystick 2 x USB Joystick Chip 2 x USB Connection Cable 2 x Gasket