... /Concertina Razor Wire/Razor wire fence/Razor Barbed WireMaterial :hot dipped galvanized steel plate and hot dipped galvanized steel wireProcessing technic :stamping , weldingRazor type :Concertina Barbed Tape (CBT ... , BTO-10 , BTO-28 , CBT-30 , CBT-65 , CTB-60 .Coil diameter : 50cm , 90cm , as customers ' request Application: Military affairs, prison ...