The Siser 60° Precision Cutting Blades are true commercial-grade cutting blades for use with Siser cutters. Used in conjunction with the Siser Blade Holder (sold separately), the precision cutting blades can be fine-tuned for achieving professional-level accuracy and quality for your cuts. The 60° angle of the blades allows them to easily cut materials like Brick HTV, craft felt, and other thicker materials! Achieve ultra-fine details at lightning speed just like the pros with Siser 60 Degree Precision Cutting Blades! Details: Blue cap 60° blade Carbon steel For use in Siser cutting systems