Specification: Item Type: DIY Arcade Rocker Accessories Product Material: Plastic, Hardware Color: Red and Black Weight: Approx. 680g / 24.0oz Application: Applicable to Home Console DIY Arcade, Shared Arcade, Fighting Game Console, etc. packing list: 2 x Ball Head 16 x 30 Buttons 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 GasketWASHER AND REMOVABLE BALL: Dust proof washer. The ball is removable and can be replaced with different balls. SCOPE OF APPLICATION: 2 player arcade DIY kit is suitable for home console DIY arcades, shared arcades, fighting game consoles, etc. PRODUCT INTRODUCTION: A complete DIY parts kit for a 2 player LED arcade game console DIY, providing you great playing experience. HIGH TEMPERATURE RESISTANT BUTTON: The buttons are made of plastic materials, resistant to high temperature and durable. ENCODER DESCRIPTION: The encoder has its own USB cable, so it won't have any effect on other player, can bring you more convenience.