... Lengt:10mm to 65mm, wire dia:2mm to 3.5mm by ISO9001. Razor Fencing WireRazor wire/concertina razor barbed ... length per roll: 8m --16m√Razor barbed type : single, or cross type√Packing : compression rolls,water-proof paper ... wire mesh Other wire: galvanized wire,Stainless steel wire,Black wire,Annealed wire, Tie wire, Binding wire,Pvc wire ... you are happy every day!Best Regard! 2.5mm Single Core Wire