... no central reinforcement wire.Like barbed wire, barbed tape is available as either straight wire or spiral concertina wire. Unlike barbed wire, which usually ... 1, 45±1, 40±1, 100±2USE Type A - Concertina razor wire Outside dia.:450, 500, 600, 700, 800, 900, 960 ... without clips), cross type (with clips)Accessories:•Clips Packing:Concertina razor wire single coil: carton packing;Accessories: Carton box;