3M™ DBI-SALA® Nano-Lok™ Personal SRL, Twin-leg Class B

SKU: DS-3101707 Category:


Smart activating brake system achieves fall clearance as low as 4ft.

6 ft. (1.8m) twin-leg lifelines with 3/4″ (19mm) Dyneema® fiber and polyester web and Comfort Grip hook on leg ends, speed connector for harness mounting.

Light on Weight. Heavy on Features. Focusing on strengthening the worker’s comfort and safety as the highest priorities, the 3M™ DBI-SALA® Nano-Lok™ Personal Self-Retracting Lifeline unites light-weight design with industrial-strength durability and function.


  • Lightest ANSI certified personal SRL that allows for knee level tie-off
  • ANSI Class B device utilizes a smart activating brake system to provide 89% fewer unintentional lock-ups
  • Lightweight speed connect system reduces connect and disconnect time by up to 60%
  • Durable nitrile rubber energy absorber cover designed to last 4 times longer
  • Reduced energy absorber size is more user friendly and convenient
  • 6 ft. (1.8m) 3/4″ (19mm) Dyneema® fiber and polyester web lifeline
  • Down to knee level tie-off for 310lbs. capacity, 420lbs. capacity shoulder height, and higher
  • Comfort Grip connector on each lifeline
  • Smart activating Class B brake system provides fall clearance protection as low as 6 ft. – up to 11 ft. less than lanyards
  • Equipped with 3M™ Connected Safety ID (CSID), a pre-programmed RFID tag that makes it easier to track and manage equipment using the 3M™ Inspection and Asset Management System (system available by subscription, details here)

The extremely compact and lightweight design is virtually unnoticeable on your back, staying out of the worker’s way and making it ideal as a lanyard replacement. The Nano-Lok’s smart activating brake system achieves fall clearance as low as 4ft.- providing more protection at low heights. In addition, tension is always kept on the lifeline, which reduces dragging, snapping and trip falls.

Additional information

Weight (lbs)



ANSI Z359.14 Class B, OSHA 1926.502

Product Type

Twin-Leg Quick Connect Self Retracting Lifeline – Web


Single Pin Connector

Anchor Hook Material


Manufacturer NAV

Capital Safety

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