3M DBI-SALA 20′ Galvanized Steel Ultra-Lok Self Retracting Lifeline is designed to offer fall protection in a range of industries and environments. It is manufactured with a durable reinforced urethane housing, either a 5 mm wire rope, 6 mm spectra synthetic rope or 25 mm webbing lifeline. Self-retracting lifeline has anti-ratcheting twin disc brake system with an audio indicator for added security. It has stainless steel working components which offer resistance against corrosion and self-adjusting disc brake provides reliability. Type 2, 3.4 meter self retracting lifeline has internal energy absorption system and swiveling anchorage loop helps to prevent twisting of lifeline. It has aluminum side plates which offers maximum durability with minimum weight and meets or exceeds all applicable industry standards. This lifeline is perfect for inspection, general construction, maintenance work and confined space applications.