... Type:BTO-10,12,18,22,30 CBT65 Razor wire/Concertina Razor Wire/Razor wire fence/Razor Barbed WireMaterial :hot ... and hot dipped galvanized steel wireProcessing technic :stamping , weldingRazor type :Concertina Barbed Tape (CBT); Barbed Tape Obstacle (BTO)BTO-22 , ... , railway and border of the fence. Usage: concertina, flat, beeline, welded razor mesh and etc..Currently, barbed tape has been widely ...