
| Variant | 3M Nano-Lok Self Retracting Lifeline |
The 3M Nano-Lok Self Retracting Lifeline is a compact single-leg inertia reel for workers tied off overhead on structures, towers and elevated platforms. It runs a 1.8m lifeline made from 19mm Dyneema polyester webbing, with a steel triple action karabiner on the working end and a second steel triple action karabiner at the anchorage. The anchorage loop swivels, so the unit follows you as you move instead of twisting the webbing.
At 1.854 lbs it sits light on the harness, which matters over a long shift up in the steel. The blue and yellow housing is easy to spot in a gear crib or on a crowded site. Model reference is 3101339, NLOK 6FT C45 C45 ANZ. Check the webbing and both karabiner gates before every use and pull the unit from service if the fall indicator has deployed.
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