The Spec Ops Tools 100-Pack offers the ultimate deployment solution, conveniently dispensing one blade at a time. Designed for hard-working trade pros with superior, precision-honed edges to easily cut through a variety of materials including drywall, boxes, ropes, rubber, carpets, leather, PVC, linoleum, and more. These heavy-duty, high carbon steel blades are compatible with all Spec Ops and standard utility knives. Blades are laboratory tested to verify extreme hardness and outstanding edge retention. With each purchase made, we support our nations heroes by donating 3% of proceeds to veteran and first responder causes.