3M DBI-SALA 3100520 Nano-Lok Review (2026)
The 3M DBI-SALA 3100520 Nano-Lok is a self-retracting lifeline from 3M DBI-SALA, listed at $169.99, edge-rated for leading-edge applications (per the product listing). It's built for general construction, mechanical, and maintenance crews making the standard move from shock-absorbing lanyards to…