Slice through the toughest materials with the AccuTec PRO heavy-duty utility blade a proprietary grinding process gives each blade the ideal balance of sharpness and durability. Fits most standard utility knives such as folding utility knives, fixed utility knives and retractable utility knives. Versatile and multi-purpose blades will cut a variety of materials with ease, including cardboard, leather, linoleum, carpet, rope, soft metal, PEX tubing and more.