Critical Tool provides a variety of rugged and durable Lifeline Supplies guaranteed to ensure worker safety when operating on rooftops, balconies, or any elevated/high surfaces. Manufactured by popular brands like DBI/Sala, Miller, MSA, Protecta, and Safewaze, our available horizontal, self-retracting, and other types of lifelines make way for reliable restraint of workers in an event of a fall hazard.