... wire , metal wire, (3)razor barbed wire or concertina wire, Features Specifications: Galvanized steel wire, PVC coated iron wire , metal wire, razor barbed wire or concertina wire, barbed wire,razor barbed wire is also named concertina coils or razor type barbed wire ... ,BTO-30,CBT-60,CBT65 Razor specification formSpecificationRazor ... 65 0.6±0.052.5±0.165±221±1100±2 razor barbed wire ...