Steel Security The fence is made of hard steel plate, without a mesh or frame structure, which is beautiful, durable, convenient for transportation and installation. Steel guardrails come in various colors to choose from, and many countries have used them to replace traditional brick walls, heavy wire guardrails, and wooden fences. Metal Security Fence Metal security fence is a type of fencing system made from various metals, such as steel or aluminum, and designed specifically to provide security and protection for a property or area. These metal security fences are widely used in both residential and commercial settings to deter unauthorized access, prevent trespassing, and enhance safety and privacy. The metal security fence is made of hard steel plate, without a mesh or frame structure, which is beautiful, durable, convenient for transportation and installation. Steel guardrails come in various colors to choose from, and many countries have used them to replace traditional brick walls, heavy wire guardrails, and wooden fences. The guardrails are widely used in courtyards, gardens, airports, factories, entry ports, and so on.