Razor Barbed Wire 1.Model:BTO-10,12,15,18,22,30;CBT-60... 2.Bard spacing:7.5-15cm 3.Wire dia:2.2 ... .Razor thick:0.3-0.6mm Razor Barbed WireMaterial: High Carbon Steel, Stainless Steel Wire, Hot Dip Gal. Iron Blade, Stainless Steel ... you. Looking forward to cooperate with you. Monica RAZOR/HELICAL BARBED WIRE GALVANIZED STEEL DIAMETER (450mm)