High-speed steel edge with titanium coating helps keep each gold utility blade sharp for a long timeShatterproof, bi-metal construction allows each gold utility blade to bend and flex without breaking4-notch design allows each utility blade to extend further for deeper cutsBi-metal blades fit most standard utility knivesCuts tough materials, including dry wall, insulation, flooring, roofing and moreHigh-speed steel edge with titanium coating helps keep each gold utility blade sharp for a long timeShatterproof, bi-metal construction allows each gold utility blade to bend and flex without breaking4-notch design allows each utility blade to extend further for deeper cutsBi-metal blades fit most standard utility knivesCuts tough materials, including dry wall, insulation, flooring, roofing and more