These blades come in a variety of sizes, shapes, thicknesses, and configurations. Razor blades are made of carbon steel, stainless steel, solid tungsten carbide, and ceramic, and can be successfully coated to add wear life.
Razor blades are straight edged, curved, and serrated.
The cost of razor blades can range from a few pennies per blades to hundreds of dollars a blade for custom items. Razor blades are designed for many consumer uses, but are also used extensively in industrial trimming applications and the medical profession.