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Concertina razor wire is made of galvanized steel tape and galvanized steel wire. The galvanized steel tape compresses the core and then wraped to coils. The concertina razor wire could be divided into single coil, crossed coil and flat type. The single coil of razor wire has no clips, the crossed type and flat type of razor wire is connected by clips.
Sharp galvanized razor barbed wire is widely used as the protective fencing in military fields, prisons,government buildings, detention houses,grass boundary, railway, highway,ect. The outside diameter of coil can be from 450mm to 980mm according to your requirement.