Lenox Utility Knife Blades have the following features:
LASTS LONGER: High speed steel edge with titanium coating keeps blades cutting after others have quit.
SHATTERPROOF: Patented bi-metal construction allows blades to bend and flex without breaking.
MAKES DEEPER CUTS: Four notch design allows blade to extend further.
FITS ALL STANDARD UTILITY KNIVES
CUTS THE TOUGHEST MATERIALS: Drywall, Insulation, Flooring, Roofing, and more!