3M™ DBI-SALA® Nano-Lok™ Edge Twin-Leg Quick Connect Self Retracting Lifeline, Cable 3500227

Specifically designed for foot-level tie-off.
In your line of work, anchoring at your feet may be the only option. The Nano-Lok™ edge SRL is specifically designed for foot level tie-off and sharp edge applications, and meets relevant safety standards.

It features a combination of innovative lifeline material, energy absorption, and harness connection to reduce the impact forces on the worker, and the shear forces on the lifeline, in a fall arrest event over a sharp edge.

SKU DBI-3500227


3M™ DBI-SALA® Nano-Lok™ Edge Self-Retracting Lifeline (SRL) is designed for ANSI Class 2 foot-level tie-off and leading edge applications – often found in construction. The SRL is ergonomically designed for ease of use and is ideal for direct connection to most harnesses.

3M™ DBI-SALA® Nano-Lok™ Edge Self-Retracting Lifeline’s compact design is easily worn on the user’s back and stays out of the way; it can also be used as a lanyard replacement. Whether the application requires single or twin leg configurations, mounting to an overhead anchor, or connection directly to a harness, there are numerous models to choose from to suit a variety of applications. 3M™ DBI-SALA® Nano-Lok™ Edge Self-Retracting Lifeline is designed to lock quickly stopping a fall within inches – providing more protection at low heights. In addition, tension is maintained on the lifeline, which helps reduce potential dragging and trip falls.

  • Designed for foot-level tie-off and leading edge applications
  • Compact Design
  • Quick activating speed sensing brake system
  • Durable thermoplastic housing
  • Built-in connector for direct attachment to harness
  • High capacity external energy absorber and impact indicator
  • RFID equipped and capatible with inventory management system
  • Available in multiple styles and configurations


Shock Pack Replacement Instructions


Harness Connection Type

Built-in Connector

Weight Capacity

420 lbs.

Lifeline Hook Material

Zinc Plated Steel

Lifeline Material

Galvanized Cable

Mounting Type

Direct to Harness Back

Product Color


Product Type

Edge Twin-leg Quick Connect Self-retracting Lifeline (Cable)

Specifications Met

ANSI Z359.14, OSHA 1910.66, OSHA 1926.502, ANSI A10.32

Anchor Hook Material

Rebar Hook

Housing Material

Nylon Thermoplastic

Lifeline Length

8 ft.