DBI-SALA Nano-Lok SRL w Steel Swiveling Snap Hook Series

Please Note: Some models have a production lead time. Please see part number list below for details.

The Nano-Lok is an innovative piece of fall protection equipment, designed to make Self-Retracting Lifelines (SRLs) more versatile and less irritating that other models out there.

Smaller and lighter than competing units the Nano-Lok from DBI-SALA doesn’t bump your helmet and can be attached without taking up the D-ring on your full body harness.

The swiveling snap hook keeps the lifeline from twisting, and makes getting around the worksite easier.

Primary Use:

For any climbing, whether on towers or in a confined space, the Nano-Lok is an excellent piece of fall protection gear, providing flexible attachment to anchor points above or below the user's dorsal D-ring.

With one of the highest capacities available in an SRL (420 lbs.), you can keep your tools and other equipment attached while you work.

Safety Standards Met:

Meets or exceeds all OSHA fall safety standards
Meets or exceeds ANSI Z359.1
Meets or exceeds ANSI A10.32

Who Uses This:

Anyone working on construction sites, in confined spaces or tower climbing that needs flexible fall protection, or who doesn't have the fall clearance to use a shock-absorbing lanyard, should consider the Nano-Lok

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Key Features:

Swiveling snap hook for complete flexibility
Fifteen percent lighter and thirty percent smaller than competing devices
420 lb. max. weight capacity
Keeps fall forces below 900 lbs.
6 ft. long lifeline(s)
Tough, lightweight housing
The swiveling anchorage loop can connect above or below the user
Keeps the dorsal D-ring free for other equipment
Twin leg, single leg, and anchorage loop fixed options available
Paperless equipment tracking with DBI-SALA’s iSafe system.

Why We Recommend It:

The flexibility offered by the Nano-Lok, with different connectors and the ability to anchor yourself to something above or below where you are working makes it an incredibly useful device to have.

Not only this, but being smaller and lighter it’s much more convenient to carry around on long jobs and for all-day use. The design is such that it prevents the helmet bumping that can be associated with other similar devices.

Product Video:


How To Use It:

The swiveling snap hook provides secure anchorage (with a 3,600 lb. gate capacity) on any appropriate anchor point above you. The six-foot leg allows you to move around and work, while the swivel prevents any twists in the line.

With the twin leg option you can secure yourself 100% of the time while climbing, always keeping one leg securely attached as you move through your work site.

As well as acting as a harness-mounted SRL, there are also cab-mounting and overhead attachment options available.

Related Products:

DBI-SALA Nano-Lok SRLs w/ Standard 3/4 in. Steel Snap Hook

DBI-SALA Nano-Lok Self-Retracting Lifeline w Flat Steel Rebar Hook

DBI-SALA Nano-Lok SRL w Aluminum Carabiner

Anchor Options:

DBI-SALA has made this series as adaptable to your work site as possible. The following anchorage attachement options are available, as well as simply using the integrated achorage loop with your own OSHA-rated 3,600 lb. gate opening carabiner.

DBI-SALA Nano-Lok SRL Brochure

DBI-SALA Nano-Lok SRL Technical Manual

Related Terms/Misspellings:

Nano Lock, nano lok, lifeline, lanyard, 100% Tie-Off system, Y-Lanyard, dbi nano, nanolock, nanolok, yoyo lanyard, yoyo lifeline

Total Weight:
Single Leg with Cab Mount - 2.67 lbs.
Single Leg Connector - 2.64 lbs.
Twin Leg Connector - 5.02 lbs.
Twin Leg Connector–Fixed - 4.90 lbs.
Steel Carabiner - 2.80 lbs.
Steel Rebar Hook - 3.88 lbs.
Integrated Anchorage Loop - 2.25

Product Numbers:
3101239 - Single Leg with Cab Mount - Same Day Shipping!
3101253 - Single Leg Connector - Same Day Shipping!
3101278 - Twin Leg Connector - 5 Day Lead
3101274 - Twin Leg Connector – Fixed - 5 Day Lead
3101216 - Steel Carabiner - 5 Day Lead
3101241 - Steel Rebar Hook - 5 Day Lead
3101251 - Integrated Anchorage Loop Only - 5 Day Lead