Razor Barbed Wire, it is used in high walls, fence, It is an safety product. A1:Thickness:0.5mm ;Wire Dia:2.5mm ;Barb Length:10mm ; Barb Width:13mm ; Barb Spacing:26mm   A2:Thickness:0.5mm ; Wire Dia:2.5mm ; Barb Length:20mm ;Barb Width:15mm ; Barb Spacing:33mm A3:Thickness:0.5mm ; Wire Dia:2.5mm ;Barb Length:15mm ;Barb Width:15mm ;Barb Spacing:33mm A4:Thickness:0.5mm ; Wire Dia:2.5mm ;Barb Length:22mm ;Barb Width:16mm ;Barb Spacing:36mm A5:Thickness:0.6mm ;Wire Dia:2.5mm;Barb Length:65mm;Barb Width:22mm;Barb Spacing:102mm Outside Diameter(mm) 500 700 960 No. Of Loops 56 72 52 Standard Length per Coil (m) 8-9 11-13 8-10 Max Length per Coil (m) 12 15 13