Scalpel blades normally widely used for medical propose by surgeons, chiropodists, dentists, or veterinaries. Most of scalpel blades are made of stainless steel which does not corrode, stain, or rust as easily as ordinary steel. Because of the present of chromium in stainless steel, it creates a passive film of chromium oxide which prevents surface corrosion when exposed to air and moisture. Scalpel blade used in tactical knife comes in several of types, shapes and sizes. In the market today, there is more than hundreds tactical knife made from scalpel blade to select from.