Check the listing for details. Silhouette Cameo 4 High Pressure Kraft Blade 3MM - 2 Pack. Condition: New. Listed at 14.99 USD. The 3mm Kraft Blade for the Cameo 4 allows you to cut specialty craft materials, such as acetate, craft foam, burlap, felt, balsa wood, and leather. The 3 mm depth is designed specifically to take advantage of the increased clearance the Cameo 4 has to cut even thicker materials. Recommended for use with a Strong Grip High Tack Mat from Swing Design. 2 Pack of 3mm Kraft Blades Only Works with Silhouette Cameo 4 Cuts Materials up to 3mm Thick Fits the High Pressure Carriage of the Cameo 4 - Right Carriage Cut Felt, Leather, Card Stock, Burlap, Acetate Sheets, Balsa Wood, Craft Foam, Cork Sheets, and Lots More** Please note that this blade can damaged if you do not use it properly. Make sure you reference best practices from Silhouette School