"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. Specially-woven shock-absorbing inner core smoothly expands up to 42"" to reduce fall arrest forces. Unique warning flag provides visual proof that a lanyard has been involved in a fall and must be removed from service. Integral bright red core makes visual inspection easier and more reliable. Kevlar« webbing in both single and twin-legged models. Meets stringent ASTM F887-05 Arc-flash standards and applicable OSHA, ANSI A10.32 and CSA standards.Ships Direct F.O.B. Mfg."