●Bates package includes 40 durable Utility Knife Blades ●The blades fit most standard utility knives ●Multipurpose Utility Knife Blades Are Perfect For cutting drywall, insulation, flooring, roofing, and more ●Made from Heavy Duty Premium steel, 2x sharper and harder compare with other brands ●Precision-honed edge is ideal for stable and extended cutting life