The Silhouette Autodetect 3mm Kraft Rachet Blade opens up even more creative possibilities using your Silhouette Cameo 4. Cut thicker and denser materials with ease with the 3mm blade, designed to penetrate those materials accurately and quickly. The blade is made of stainless steel and offers a sharp, tough and long-lasting edge. It features an autodetect chip that allows the technology of your Cameo 4 to automatically detect which blade has been inserted without changing any settings. The materials you can cut with this blade include felt, leather, cardstock, burlap, acetate sheets, balsa wood, craft foam and cork sheets. Blade length range: 0.1-3mmTwin packAutoDetect chipStainless steelBlade angleUse with a strong tack cutting mat Ideal for craft foam, leather and leatherette, acetate and soft balsaCompatible with the Silhouette Cameo 4Silhouette Autodetect 3mm Kraft Rachet Blade 2 Pack. cricut die cutting machine > sizzix big shot plus