3M DBI-SALA Nano-Lok Edge 3500210 Leading Edge Self Retracting Lifeline, 8' Single-Leg Tie-Off Galv Cable,Snap Hook and Quick Connector for Harness Mount, Orange/Navy A built-in RFID identification tag helps the user record and store information on inspections Installs to the webbing of harness, leaving the dorsal D-ring open for other equipment or rescue Designed to provide a snug fit to the worker's back, eliminating nuisance flopping Limits lifeline twisting for smoother operation and added worker satisfaction The devices are virtually unnoticeable on your back, stay out of the way and can be easily used as a lanyard replacement 8 ft (24m) lifeline with 3/16" (5mm) galvanized steel wire rope and snap hook, quick connector for harness mounting