Razor wire,razor barbed wire,razor fence,Concertina wire,barbed wire. Razor wire can be supplied in single line coils or cross type. Blade Types: BTO-10, BTO-12, BTO-18, BTO-22, BTO-28, BTO-30, CBT-60, CBT-65, etc. Different coil diameter from 450mm to 980mm,the diameter can be customized. Materials: hot dipped galvanized steel sheet and wire, stainless steel sheet and wire: AISI430 and AISI304. Razor wire in hot dipped galvanized sheet is economic cost compared with stainless steel Razor wire. It has bright and beautiful blade of various types, offers good corrosion resistance. special specifications available on request. Concertina Barbed Tape(CBT);Barbed Tape Obstacle (BTO)