【High-quality Alloy Steel】: Our razor wires are made of high-strength steel to ensure stability. And the hot-dipped galvanized surface makes it rust-proof and weather-proof to withstand various conditions 【Size】: 345FT, Package: 7 PCS 【Easy to Install】: The steel razor wire is easy to install on various fences. Just use tie wires or wire supports to fasten it onto your existing fence frames; it can also be installed by welding directly. The main string is flexible enough. So you can adjust the length and thickness according to your needs 【Multipurpose】: The razor wire is widely used in a variety environment, such as yard, gardens, communities, residences, factory area, governmental agencies, private villa and other indoor & outdoor scenes and protecting your property from unwanted visitor 【SAFETY AWARENESS】: Use this "Do Not Climb sign" to prevent people from putting themselves in danger by climbing in precarious places The function of razor wire is that their sharp hooks can effectively prevent anyone attempting to cross fences or climb over wall tops, playing a role in preventing theft, crime, and illegal intrusion. They are widely used in places that require strict protection, such as prisons, military bases, industrial parks, border lines, government agencies, etc, and can provide additional security.