Razor wire fence is usually made of galvanized steel blade or stainless steel blade. Two pieces of stainless steel razor wire or zinc-coated razor wire. Barbed tape or razor wire is a mesh of metal strips with sharp edges whose purpose is to prevent passage by humans. The term "razor wire", through long usage, has generally been used to describe barbed tape products. It is used as security fencing and isolation for gardens, residences, military sites and other sites requiring high security.