Revolution® Arc Rated Full Body Harness, D Ring, Universal, Quick Connect no checkout and studs to prevent loosening and studs to prevent loosening due to vibration Works on all metals Gauge is rust proof and bend proof Die blanked to eliminate sharp edges and add to accuracy Permanently etched for long life Designed to protect workers from falls caused by electric arc flash and arc blast exposure when working at heights or in confined space applications near energized electrical sources Leather insulators under all metal hardware offer additional protection for the worker The Kevlar web loop on the back pad allows for a “metal less" connection when used with a Kevlar shock absorbing lanyard with a choke off loop