3M™ DBI-SALA® Securaspan 20' Horizontal Lifeline System Cable Assembly offers 100% protection as well as flexibility with by passable design and unlimited system. It has everything you need and can be installed without special tools or equipment. Assembly comes with Zorbit™ energy absorbers featuring turnbuckle for extra safety and tensioning of the system. Lightweight stanchions have a single clamp design featuring simple wing nut for quick attachment and simple adjustment. Standard size will easily fit flanges up to 12" wide and 2 1/4" thick. It meets or exceeds all applicable industry standards including OSHA and ANSI.