Licensed Kickstart 3.1 for Amiga 3000 40.068 desktop and 3000 tower. Compatible with Amiga 3000D/3000T only. It is a Commodore Edition Kickstart.
You need them to use Workbench 3.1 in your Amiga. You should replace your old modules with new ones. It is a specified ROM with labels from Cloanto with unique serial number.