The Silhouette Autodetect AutoBlade is an automatically adjustable cutting blade designed for the Silhouette Cameo 4. Constructed by super-fine sintered tungsten alloy powder, it will be a lasting blade that is ideal for a huge range of cutting tasks. The Silhouette AutoBlade features an autodetect chip which allows the Cameo 4 to automatically detect which blade is inserted to it without you needing to change the setting in the software. This blade also has a one-click return function to send the blade back to the zero setting instantly. Blade length range: 0.1-1mmAuto blade detectionAutomated adjustmentOne click back to zeroDesigned for use with the Silhouette Cameo 4Ideal for use with adhesive vinyl, heat transfer vinyl, sticker paper and cardstockSilhouette Autodetect AutoBlade. cricut die cutting machine > sizzix big shot plus