The SNAP’n SAFE breakaway devices are approved by the FAA as a frangible connection as stated in the Advisory Circular 150/5220-23. The frangibility connection performance has been tested and approved by the FHWA. The breakaway devices provide a valuable and economical solution for posts or poles needing frangible support structures. Ground mount SNAP'n SAFE units work expecially well in perimeter fencing applications. Surface Mount SNAP'n SAFE units provide a frangible connection when mounting directly to concrete. For more information visit www.designovations.com or call (888) 868-6588.