With the AutoBlade you don’t have to manually adjust your blade. The Silhouette Studio® software program will provide recommended cut settings for common material types which can be adjusted in the software as needed. When you send the job to your Silhouette machine the AutoBlade will automatically be adjusted according to the selected setting from the software. This Bundle Includes: x3 Silhouette Auto 2 Blades Compatible Machines: Portrait 3 Portrait 4 Cameo 4 Cameo 5 Curio 2