Impenetrable. Unclimbable. Unstoppable. The IFI- 12 is the strongest security solution we offer. This entirely welded system is nearly invulnerable to standard forms of attack. Sledgehammers and non-powered cutting tools don't stand a chance. The expanded metal design makes it almost impossible to climb without assistance, and its modular nature allows for integration of chain link, mesh screens, lighting, anti-climb wire, breach detection systems, and more. This barrier solution is perfect for sites that require maximum security.