Specification: Item Type: Arcade Button_x000D_Material: Plastic_x000D_Color: Black/White/Blue/Red/Green/Yellow_x000D_Model: QM070919_x000D_Quantity: 12 (Two Each for Black/white/blue/red/green/yellow)_x000D_Type: 30mm Button_x000D_Mounting Hole Diameter: Approx. 30mm/1.1in_x000D_Outer Diameter: Approx. 33mm/1.2in_x000D_Installation Method: Snap-in Installation_x000D_Compatible: For Hori and for Madcatz Joysticks, You Can Also Use Buttons to Build Your Own Custom Controller Features: 1This product is a 100% new high quality arcade replacement button, which is easy to replace. 2Snap?in installation, easy to replace existing parts and use, suitable for most Hori and for MadCatz joysticks, you can also use buttons to build your own custom controller. 3These arcade joystick game console buttons are stable, responsive, quiet, and long service life. 4Each button contains a non clicking micro switch, and the reaction time is fast, and the reset is fast. 5Ideal for XBOX 360 for PS3 for PS2 controllers and arcade machines that require the highest quality parts. PackageList: 2 x Black Button 2 x White Button 2 x Blue Button 2 x Red Button 2 x Yellow Button 2 x Green Button