The Silhouette Cameo 4 Autodetect Blade Adapter Set allows you to get the very most out of your digital cutting machine. There are four adapters included, allowing you to use the original Silhouette ratchet blades and more. The black adapter is designed for ratchet blades, the grey is for the deep cut blade, the white is for the 2mm kraft blade and blue is for sketch pens and third-party tools. The set is designed for use with the Silhouette Cameo 4 only. Pack size: 16 x 16 x 2cm (6.3 x 6.3 x 0.8 inches) Includes four adaptersFor use with the Silhouette Cameo 4 onlyAllows you to use the original Silhouette ratchet blades in your Cameo 4 A great way to get the most out of your digital cutting machineSilhouette Cameo 4 Autodetect Blade Adapter Set 4 Pack. cricut die cutting machine > sizzix big shot plus