Galvanized Barbed Nail 1.thickness:0.8-2mm 2.length:0.5,1, ... Contours of WallNeat AppearanceEasy to InstallLow CostEffective Intrusion DeterrentUsage : Barbed nail mainly serves in protecting and also widely used in military ... society fence and other private buildings.Feature of Galvanized Barbed Nail: Aesthetic appearance and protective excellent performance, performance, easy to install ...