3101673 – Nano-Lok (SRL) Self Retracting Lifeline – ANSI Class A & B – No connector included – Steel rebar hook on lifeline – 6 ft. (1.8m) Dyneema lifeline

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  • 6 ft. (1.8m) Dyneema® fiber and polyester web lifeline
  • Swiveling anchorage loop for anchor – No connector included
  • Aluminum comfort grip connector on lifeline for attachment to harness
  • ANSI Class A & B provide fall clearance as low as 4 ft.
  • AAF 900lbs and MAF 1,350lbs
  • Equipped with 3M™ Connected Safety ID (CSID)
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6 ft. (1.8m) of 3/4″ (19mm) Dyneema® fiber web and aluminum Comfort Grip connector on leg end, swiveling anchor loop.

  • Personal self retracting lifeline – min. 4ft. fall clearance up to 310 lbs.
  • 6 ft. (1.8m) Dyneema® fiber and polyester web lifeline
  • aluminum Comfort Grip connector
  • Anchorage loop – No connector included

Self-retracting lifelines (SRL's)

An SRL is an alternative to traditional shock absorbing lanyards and work a lot like a seat-beat - pull out slowly and extend the line; but don;t you try to run with it.

These devices are specifically designed for professionals who work way up high - stopping falls within inches to allow great mobility.

Real quick - whats an SRL?
  • Retractable lifelines designed to stop a fall within inches.
  • Constantly under tension, but extends or retracts as the user moves up and down.
  • Offers greater protection then a shock absorbing lanyard.

TL;DR - Self-retracting lifelines connect a harness to an anchor and offers great fall protection than a simple lanyard.


Nano-lok SRL

These little devices make a big difference when it comes to working at height.

The new Nano-lok SRL's are easy to install, smaller and even take more of a beating than the previous model could.

Next-gen Features
  • Installation is 60% quicker
  • Rubber cover lasts 4x longer than the previous model
  • 4ft. overhead fall clearance per OSHA 1910
  • ANSI Class A/B models limit falls within 24"
  • 6ft. fall clearance required on Class B SRL's
  • Knee-level of higher tie-off.

"Nano-lok SRL's are the lightest ANSI certified SRL that allows for knee level tie-off."


Additional information

Weight3.05 lbs
Dimensions6 × 6 × 6 in
Hook type to Harness

Comfort Grip

Overall Length

6 ft. (1.8m)

Hook type to structure

No connector


Product Family

Lifeline Material

Synthetic Webbing

SRL Application

For vertical use

Lanyard Leg Count



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