Barbed wire is from a barbed metal wire consisting a wire with high tensile strength and a barbed wire twisted around that. The spiral of the barbed wire and the loops is performed with harmonica-clamp style fixing wristlets.
The basic material of the wire having high tensile strength, is coldly pulled zincked stainless steel. The barbed wire can be made of coldly pulled zincked steel with low content of coal. The harmonica clamps can be made of steel with cadmium or zinc cover.