3400987 – Sealed-Blok (SRL) Self Retracting Lifeline – 130 ft. (39m) – 3-way retrieval winch – Mounting bracket – 4ft. cable tie-off adaptor – Stainless steel lifeline & swiveling snap hook

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  • Complete seal
  • 30 ft. (9.1m) – 3/16″ (5mm) stainless steel cable lifeline
  • Swiveling stainless steel snap hook
  • Quick-mount bracket
  • 3-way retrieval winch
  • 4ft. cable tie-off adaptor
  • Ergonomic cable handle equipped with 3M™ Connected Safety ID (CSID)
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130 ft. (39m) of 3/16″ (5mm) stainless steel wire rope with swivel snap hook, 3-way retrieval winch and mounting bracket, anchorage carabiner, 4 ft. (1.2m) cable tie-off adaptor.

  • 100% completely sealed system for harsh environments
  • 130 ft. (39m) – 3/16″ (5mm) stainless steel steel cable lifeline
  • Quick-mount bracket
  • 3-way retrieval winch
  • 4 ft. (1.2m) cable tie-off adaptor
  • Swiveling stainless steel snap hook
  • Saflok anchorage carabiner
  • Large pivoting anchorage loop
  • Reserve lifeline system
  • Cable lifeline replacement system

Sealed SRL's

Sealed-Blok SRL's are heavy-duty self retracting lifelines designed for use in the WORST conditions.

Specifically built to withstand saltwater or any other mucky moist location - they are completely sealed to prevent damage to internal components

  • Sealed Design - ensures efficient & safe operation under all working conditions.
  • Secondary Anchorage Point - Allows for second back up anchorage point.
  • Dual RSQ mode - Allows users to select between fall arrest and descent mode
  • Fast-line - Allows for quick lifeline replacement while out in the field

TD;LR - Sealed SRL's are ideal for use in harsh environments where moisture or tiny particulates can damage SRL's internal components.


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.


Additional information

Weight60 lbs
Dimensions17 × 14 × 8 in
Overall Length

130 ft. (39 m)


Product Family

Lifeline Material

Stainless steel cable

SRL Application

For vertical use

Lanyard Leg Count


Hook type to structure

Anchorage loop

Hook type to Harness

Snap Hook


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