3M DBI-SALA Nano-Lok Personal Self Retracting Lifeline, 3101208 is made from 19 mm (3/4") Dyneema fibre and polyester web. Our 1.8 m single-leg lifeline has an aluminium rebar hook end, a quick connector for harness mounting and a smart-activating brake system. Extremely compact and lightweight single-leg personal self-retracting lifeline designed for working at height, Smart activating brake system provides fall clearance as low as 1.2 m (4 ft.) - up to 4 m (13 ft.) less than lanyards, Lightweight speed connect system reduces connect and disconnect time by up to 60%, Durable nitrile rubber energy absorber cover designed to last 4 times longer than previous version, Reduced energy absorber size is more user friendly and convenient compared to previous version, 19 mm (3/4") Dyneema fibre and polyester web lifeline, AAF (Average Arrest Force) 400 daN & MAF (Maximum Arrest Force) 600 daN, Equipped with 3M Connected Safety ID (CSID), a pre-programed RFID tag that makes it easier to track a