450mm double galvanized razor wire is a highly effective security fencing material consisting of sharp-edged steel tape punched into a high-tension galvanized core wire, forming a large-diameter coil that expands like a spring for perimeter security. The double galvanization provides enhanced rust resistance for durability, while the sharp, thick blades create a formidable physical barrier to deter unauthorized access. This type of razor wire is often used for residential and commercial security and can be installed alone or as an additional layer of protection with an electric fence