A fresh utility blade from Grainger helps keep your utility knife operating at peak performance and can be great for factory and warehouse work. Utility blades can cut drywall, fiberglass insulation, linoleum floor and roofing material with ease. The utility knife blade and heavy-duty blade models are easy to replace, so you can always have a sharp edge to help open boxes and packages fast. Rely on Grainger for heavy-duty blades, utility blades and other cutting tools.