3M DBI-SALA Capital Safety Nano-Lok Twin Leg Fixed D-ring Connector features corrosion resistant zinc-plated design which is extremely durable and stand up to the harshest environments for extended longevity. It is designed to provide a snug fit to the worker’s back, eliminating nuisance flopping. Connector incorporates triple locking and self-closing gate that automatically closes and locks when you let go of it, ensuring safety. The device is extremely compact, lightweight design and virtually unnoticeable on your back and safely attaches to your harness. Device is made up of high strength steel construction and designed for fixed D-ring harnesses.