Manually adjusting 1MM blade settings. This blade is comparable to the Premium Blade for older models. This is designed specifically to fit the Cameo 4 Cameo 4 Plus Cameo 4 Pro and Portrait 3 without any additional adapters and features Auto Detection support. 1 Manual Blade - 1mm Extended Blade Life Manually Adjusting Blade Settings Cuts vinyl Heat Transfer Cardstock and More Only works with the Cameo 4 Cameo 4 Plus Cameo 4 Pro and Portrait 3