Replacement Cutting Blades Combo for Craft Cutting Machines, 6 blades 6 Deep Cut Replacement Type Blades Included (3-45 degree & 3- 60 degree) Replacement blades for the Provo Craft Cricut For use with Cricut Machines, Sign plotters, Roland type machines, Bridge, US Cutters Last 3 times as long, made of carbide vs metal. Same as the blue cap replacment blades, FACTORY DIRECT!