3500279 Nano-Lok Edge Twin-Leg Personal Self Retracting Lifeline, Cable, Steel Snap Hook, 8 ft, Class 2, ANSI – 3M DBI-SALA


  • 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 compatible with inventory management system

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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. 

Overall Length (Imperial)

8 ft

Overall Length (Metric)

2.4 m

ANSI Class Level

Class 2

Average Arrest Force (Imperial)

900 lbf (ANSI), 900 lbf (OSHA 130 lb – 310 lb)

Average Arrest Force (Metric)

4 kN (ANSI), 4 kN (OSHA 130 lb – 310 lb)



Case Quantity

1.0 per Case

Connected Safety ID Equipped


Harness Connection Hook Material

Stainless Steel

Harness Connection Type

Single Pin Connector

Housing Material

Nylon Thermoplastic

Housing Type


Install Type

Portable & Removable

Leg Count


Lifeline Connection Type

Snap Hook

Lifeline Hook Material

Zinc Plated Steel

Lifeline Length (Imperial)

8 ft

Lifeline Length (Metric)

2.44 m

Lifeline Material

Galvanized Cable

Maximum Arrest Force (Imperial)

1425 lbf (ANSI)

Maximum Arrest Force (Metric)

6.3 kN (ANSI)

Maximum Number of Users


Mounting Type

Direct to Harness Back

Net Weight (Imperial)

7.1 lb

Net Weight (Metric)

3.22 kg

Product Color


Product Series

Nano-Lok edge

Recommended Application

Leading Edge

Recommended Industry

Construction, Metal Fabrication, Oil & Gas

Specifications Met

29 CFR OSHA 1910.140, 29 CFR OSHA 1926.502, ANSI/ASSP Z359.14-2021


Dual Leg

Weight Capacity (Imperial)

420 lb.

Weight Capacity (Metric)

190 kg

Additional information

Weight 8.25 lbs
Dimensions 6 × 6 × 6 in
Connection Material

Galvanized steel

Hook type to structure

Snap Hook

Overall Length

8 ft. (2.4m)

Hook type to Harness

Single-pin connector


Product Family

Lifeline Material

Galvanized Cable

SRL Application

For horizontal use

Lanyard Leg Count



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