5 Piece Hook Utility Knife Blades

5 Piece, Hook Utility Knife Blades, 2X Stronger Than Standard Carbon Hook Blades, Replace Fewer Blades, High Quality Steel For Maximum Strength In Pull Cut Applications, Optimized Grind Angles Deliver Improved Sharpness For Less Repeat Cuts, Ideal For Roofing, Carpet, Tyvek, Insulation & Other Building Materials.