Stanley Knife Blades Heavy-Duty 10 Pk Engineered for general-purpose cutting Precision-honed edge for consistent and long cutting life Fits most standard utility knives Utility Knives Limited Lifetime Warranty Stanley Knife Blades Heavy-Duty 10 Pk If you're looking for a good quality replacement blade, then the Stanley Knife Blades Heavy-Duty is a good choice. It's cutting edge is suitable for general work such as cutting hides and cordage, scraping hides, butchering animals, cleaning fish, and other tasks. It is good for use at home or commercial use. With the Stanley brand, you can be assured of its high-quality products that have been in the market since 1843. Features Marking or scoring materials like drywall Cutting through corrugated cardboard, clamshell, and other packaging Trimming excess material off injection-molded plastics or rubber Cutting binding materials like packing tape, cord, twine, or plastic strapping