In conclusion, the length of concertina wire per roll is a crucial factor that affects its installation, effectiveness, and overall security management. With rolls generally ranging from 30 to 200 meters, strategic planning is necessary to determine the appropriate length based on the specifics of the site being secured. When purchased in longer lengths, concertina wire not only ensures greater barrier integrity but also allows for a more efficient installation, ultimately maximizing its protective capabilities. As security needs evolve, understanding the specifications and implications of concertina wire, particularly its roll length, will continue to play a vital role in safeguarding properties and sensitive locations.