Feature: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.Specification:Item Type: DIY rocker accessoriesMaterial: Plastic, hardwareGross Weight: 680g or 24.0ozApplication: home console DIY, , fighting game console etc..Package List: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