3101214 – Nano-Lok (SRL) Self Retracting Lifeline – ANSI Class A & B – Anchor aluminum carabiner – Aluminum snap hook on lifeline – 6 ft. (1.8m) Dyneema lifeline

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  • 6 ft. (1.8m) Dyneema® fiber and polyester web lifeline
  • Aluminum snap hook on leg end for attachment to harness
  • Anchor loop w/ Aluminum carabiner for attachment to anchor
  • 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 and polyester web and aluminum snap hook on leg end, swiveling anchor loop with aluminum carabiner.

  • 6 ft. (1.8m) Dyneema® fiber and polyester web lifeline
  • Self-locking aluminum snap hook
  • Anchor loop w/ aluminum carabiner on lifeline

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

Weight2.85 lbs
Dimensions6 × 6 × 6 in
Hook type to Harness

Snap Hook

Overall Length

6 ft. (1.8m)

Hook type to structure



Product Family

Lifeline Material

Synthetic Webbing

SRL Application

For vertical use

Lanyard Leg Count



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