The Better Tools 3-Notch Heavy Duty Utility Blade is a professional-grade cutting solution designed for contractors and tradespeople. Each multipack contains 100 blades, organized in 10 reusable safety tubes with 10 blades each, ensuring safe storage and easy access. These blades are engineered with a 0.025" thickness and constructed from high-strength carbon steel, providing durability and a long-lasting sharp edge.