This is the replacement magnetic disc for the broken one on the KSM-440ACM.440ADM.440AEM.440BAM.
Aluminum 3D Rocker Joystick Cap Joystick Rocker Cap is easy to set-up and suitable for long time used. Different types of design fit for different games. Mushroom Head Rocker Perfect fit your controller like original buttons. It is compatible and easy to install. Enhance the performance of the Joystick Rocker Cap