3M™ Self-Retracting Lifeline Round Cap, Plastic, Black, 0.5 in, 9500842

3M™ Self-Retracting Lifeline Round Cap, Plastic, Black, 0.5 in, 9500842 The 3M™ DBI-SALA® Ultra-Lok™ Self-Retracting Lifeline (SRL) is durable, lightweight, and engineered for safety, efficiency, and reliability. It is available with synthetic rope, stainless steel, or galvanized steel cable lifeline material, and an aluminum or thermoplastic housing. The 3M™ DBI-SALA® Ultra-Lok™ Self-Retracting Lifeline (SRL) RSQ™ design is a dual-mode SRL for fall arrest and integrated rescue systems. 3M™ DBI-SALA® Ultra-Lok™ Self-Retracting Lifelines are available in SRL, Retrieval SRL, and RSQ™ configurations.