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、Durable: The buttons are made of premium materials, resistant to high temperature and durable. Equipped with a dustproof gasket; the ball is removable and can be replaced with different balls. 3、Applications: Used for home console DIY arcade, shared arcade, 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. 2 x Ball Head16 x 30 Button 4 x 24 Buttons2 x Rocker Wire20 x Button Connection Wire2 x Joystick2 x USB Joystick Chip2 x USB Connection Cable2 x Gasket Item Type: DIY arcade rocker accessoriesMaterial: Plastic, hardwareGross Weight: 680g / 24.0ozApplication: home console DY arcade, shared arcade, fighting game console etc.