Nano-Lok™ Personal Self-Retracting Lifeline with Anchor Hook, Web, Steel Snap Hook, 6 ft., Class 1, ANSI

Manufacturer: DBI
Part Number: 3100520
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3M™ DBI-SALA® Nano-Lok™ Self-Retracting Lifeline (SRL) with Anchor Hook is designed for ease of use and is ideal for direct connection to most harnesses. Focusing on strengthening the worker's comfort and safety as the highest priorities, 3M™ DBI-SALA® Nano-Lok™ Personal Self-Retracting Lifeline with Anchor Hook combines lightweight design with industrial-strength durability and function.

Whether the application requires single or twin leg configurations, mounting to an overhead anchor, or connection directly to a harness, there are numerous fall protection models to choose from to suit almost any application. 3M™ DBI-SALA® Nano-Lok™ Self-Retracting Lifeline (SRL) with Anchor Hook's smart activating brake system achieves fall clearance as low as 4 feet (1.2 m) while stopping a fall within inches and providing more protection at low heights. In addition, tension is always kept on the lifeline helping to reduce dragging, snapping, and trip falls. These features are key safety improvements and provide the user with the comfort and support required to get the job done right.

  • Swiveling anchorage loop with carabiner
  • Quick activating speed sensing brake system
  • Self-locking snap hook on lifeline
  • Compact & lightweight design
  • Durable thermoplastic housing
  • High capacity external energy absorber and impact indicator
  • RFID equipped and capatible with inventory management system

ANSI Class Level

Class 1

Anchor Connection Type


Anchor Hook Material

Zinc Plated Steel

Average Arrest Force (Imperial)

1125 lbf (ANSI), 1125 lbf (OSHA 130 lb - 310 lb)

Average Arrest Force (Metric)

5 kN (ANSI), 5 kN (OSHA 130 lb - 310 lb)



Connected Safety ID Equipped


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)

6 ft

Lifeline Length (Metric)

1.8 m

Lifeline Material


Maximum Arrest Force (Imperial)

1800 lbf (ANSI), 1800 lbf (OSHA 130 lb - 310 lb)

Maximum Arrest Force (Metric)

8 kN (ANSI), 8 kN (OSHA 130 lb - 310 lb)

Maximum Number of Users


Mounting Type

Overhead Anchor Point

Net Weight (Imperial)

2.824 lb

Net Weight (Metric)

1.281 kg

Product Color


Product Series


Product Type

Self Retracting Lifeline with Anchor Hook - Web

Recommended Industry

Automotive, Construction, General Industrial, General Industry, General Manufacturing, Industrial, Maintenance, Manufacturing, Metal Fabrication, Metal Production & Fabrication, Military Maintenance, Repair & Operation (MRO), Mining, Oil & Gas, Pharmaceutical, Renewable, Transportation, Utilities, Utility, Warehousing, Wind Energy

Specifications Met

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

Weight Capacity (Imperial)

420 lb.

Weight Capacity (Metric)

190 kg

Dimensions and Classifications


Overall Length (Imperial)

6 ft

Overall Length (Metric)

1.83 m