Description
- Compact, ergonomic design that stays out of the way and replaces a traditional lanyard.
- Fast-acting brake system arrests falls within inches for low-height protection.
- Constant lifeline tension reduces dragging and trip hazards.



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3M DBI SALA 3500276 Nano-Lok Edge Twin-Leg Personal Self Retracting Lifeline with Steel Rebar Lock Hook (8 ft.)
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.
Meets or Exceeds 29 CFR OSHA 1910.140, ANSI/ASSP Z359.14-2021, 29 CFR OSHA 1926.502
Features and Specs:
For industrial/occupational use only. Not for consumer sale or use
Disclaimer: 3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert. For additional product information, visit www.3M.com.
Yes. The 3M DBI-SALA 3500276 Nano-Lok Edge is a twin-leg self-retracting lifeline (SRL) designed specifically for ANSI Class 2 foot-level tie-off and leading edge (SRL-LE) applications — 3M recommends it for construction, metal fabrication, and oil & gas work. Its twin-leg design lets you stay continuously connected (100% tie-off) as you move between anchor points, and the steel rebar lock hooks connect to structural anchors like rebar. It has a 420 lb (190 kg) capacity for one user, meets 29 CFR OSHA 1910.140, ANSI/ASSP Z359.14-2021, and 29 CFR OSHA 1926.502, and ships with free shipping from Industrial Safety Products.
The 3M DBI-SALA 3500276 Nano-Lok Edge meets or exceeds 29 CFR OSHA 1910.140, ANSI/ASSP Z359.14-2021, and 29 CFR OSHA 1926.502. It is rated for ANSI Class 2 foot-level tie-off and leading edge (SRL-LE) applications, meaning it is tested for use where the anchor is at foot level and the lifeline may pass over a sharp or leading edge.
Under ANSI/ASSP Z359.14-2021, Class 2 self-retracting lifelines are rated for foot-level tie-off — where the anchor point can be at or below the worker's feet — and for leading edge (SRL-LE) use, where the lifeline may run over and be loaded across a sharp structural edge in a fall. The 3M DBI-SALA 3500276 Nano-Lok Edge is built for exactly these conditions, common on decking, steel, and construction leading-edge work, and it locks quickly to arrest a fall within inches.
The 3M DBI-SALA Nano-Lok Edge 3500276 is a self-retracting lifeline (SRL) that pays out and retracts its galvanized cable as you move, keeping tension on the line. A quick-activating speed-sensing brake locks the line the instant it detects a fall, stopping the fall within inches — which provides more protection at low heights than a traditional lanyard. A high-capacity external energy absorber cushions the arrest, and an impact indicator shows if the unit has arrested a fall.
The twin-leg design of the 3M DBI-SALA 3500276 Nano-Lok Edge lets you maintain 100% tie-off. As you move or change anchor points, you connect the second leg before disconnecting the first, so you are never unprotected in between. Both legs use steel rebar lock hooks for anchoring, and the unit connects directly to your harness — ideal for climbing and moving around structures at height.
The steel rebar lock hooks on the 3M DBI-SALA 3500276 are large-gate self-locking connectors (zinc-plated steel) sized to attach to structural anchor points such as rebar, scaffolding, and beams that a standard snap hook can't fit around. Each of the twin legs on this 8 ft model ends in a steel rebar hook, letting you tie off directly to jobsite structures during leading-edge and foot-level work.
Yes. The 3M DBI-SALA 3500276 Nano-Lok Edge is a Class 2 SRL designed for foot-level tie-off, where the anchor is at or below your feet and fall clearance is limited. Its speed-sensing brake locks quickly to stop a fall within inches, and the high-capacity external energy absorber limits arrest forces — together providing more protection at low heights than a traditional shock-absorbing lanyard. It is for industrial and occupational use only.
The 3M DBI-SALA 3500276 Nano-Lok Edge has a high-capacity external energy absorber that cushions and limits the forces on your body during a fall arrest, plus a built-in impact indicator. The impact indicator provides a clear visual sign that the SRL has been subjected to a fall, so a supervisor or competent person knows to remove the unit from service and inspect it.
For leading-edge and low-height work, generally yes. The 3M DBI-SALA 3500276 Nano-Lok Edge locks and arrests a fall within inches, while a traditional shock-absorbing lanyard can allow several feet of free fall before deploying. The SRL keeps tension on the line to reduce dragging and trip hazards, has a compact design worn on the back, and is rated ANSI Class 2 for foot-level tie-off and leading edge. It replaces a traditional lanyard in many construction applications.
Yes. The 3M DBI-SALA 3500276 Nano-Lok Edge has a built-in stainless steel single-pin connector that mounts directly to the back of most harnesses, so no separate connector is needed. Its compact, ergonomic nylon thermoplastic housing is worn on the user's back and stays out of the way, and the twin-leg unit weighs about 8.6 lb (3.9 kg). It ships with free shipping from Industrial Safety Products and is intended for industrial and occupational use only.
The 3M DBI-SALA 3500276 Nano-Lok Edge is RFID equipped, meaning it has a built-in radio-frequency ID tag compatible with inventory-management systems. Safety managers can scan the SRL to log inspections, track service history, and manage their fall-protection equipment inventory, helping keep gear compliant and up to date.
The 3M DBI-SALA 3500276 Nano-Lok Edge has a weight capacity of 420 lb (190 kg) and is rated for a maximum of one user, per 3M's specifications. That capacity range covers the worker plus tools and equipment. It is a personal, single-user twin-leg SRL with an 8 ft galvanized cable lifeline, sized for individual fall protection rather than shared or multi-user anchorage.