The Checkmate Quadro Horizontal Lifeline is a temporary, reusable lifeline system that can be used by up to 4 workers simultaneously in Fall Arrest applications. It may span up to a maximum 82 ft, and includes a rope bag for easy transportation and storage. This system can be easily set-up by just one person, but always ensure that all aspects of horizontal lifeline installation, inspection, and maintenance are supervised by a Qualified Person