The 3M™ DBI-SALA® Nano-Lok™ Personal Self-Retracting Lifeline – Twin-Leg is a compact web-based fall protection solution designed for applications requiring continuous tie-off. With two 6 ft retractable legs, it supports safe movement between anchorage points while maintaining a lightweight and low-profile design suitable for daily work at height.

Key Features

Twin-leg configuration: Enables 100% tie-off while transitioning between anchorage points
Speed-sensing brake system: Rapid activation to arrest a fall when sudden movement is detected
Compact and lightweight design: Minimizes bulk and improves user comfort during extended use
Swivelling anchorage loop: Helps reduce twisting and supports natural alignment
Durable housing: Nylon thermoplastic construction designed for long-term use
Web lifelines: Dyneema® polyester webbing provides controlled retraction and strength

Intended Use

This personal self-retracting lifeline is intended for fall arrest applications where continuous connection is required and where a short-length SRL helps reduce free-fall distance during work at height.

Construction and structural work
Industrial maintenance operations
Manufacturing facilities
Warehousing and logistics environments
Tasks requiring continuous tie-off at height

Product Specifications

Product type: Personal self-retracting lifeline (SRL)
Configuration: Twin-leg
Lifeline length: 6 ft per leg
Lifeline material: Web – Dyneema® polyester
Housing material: Nylon thermoplastic
Weight capacity: CSA: 310 lb (140 kg), OSHA: 420 lb (191 kg)

Certifications and Standards

CSA Z259.2.2-17, Class SRL
OSHA

Available Configurations (Anchorage type / Lifeline hook)

3101313 (7012818627) - Harness steel locking pin (3100197) / 2x Aluminum rebar hook with locking nose (2000209)
3101283 (7012818619) – Harness steel locking pin (3100197) / 2x Steel rebar hooks (9502058)
3101285 (7012818621) – Harness steel locking pin (3100197) / 2x Steel snap hooks (9502116)
3101286 (7012818622) – Harness steel locking pin (3100197) / 2x Zinc-plated steel rebar hooks (2109193)