✔ SPECIFICATION: Barbed wire Wire diameter 2.3mm.double threaded construction, Every 10cm with 15mm Barbs.5 lengths are available: 10m , 25m , 50m , 100m , 125m , 150m , 200m , 225m , 250m , 300m. ✔ DURABLE: Barbed wire is made of high-quality 2.3mm thick stainless steel wire, with good rust and corrosion resistance, so you can use it indoors and outdoors with confidence. ✔ LIVESTOCK SAFETY: Barbed wire is commonly used to provide vital protection to stock fencing. Installing barbed wire on the top of livestock fences can prevent sheep or cattle from escaping. ✔ HOUSE SECURITY: Used on top of fencing to deter climbing, barbed wire can also be used as a security application to stop access to roofs or secure or private property. ✔ INSTALLATION SUGGESTIONS: Installing two lines of barbed wire, running a 5cm and 15cm above the fencing to provide optimum protection as an optimum deterrent.