Guardian 01122 Non Shock Absorbing Web Loop Harness Extension Lanyard, 18 Inch 6881 and the caldwell hearing protection Style:Non Vented (22507) and the caldwell hearing protection line builds upward from them which is a different standard Only if your hazard assessment and Guardian’s instructions confirm a non shock absorbing extension is appropriate for that specific connection — a qualified person should verify the arrest forces and clearance involved before relying on it in any fall arrest role The web loop ends route through any standard rated D ring — confirm your harness’s D ring style and rated capacity are compatible before ordering