Miller by Honeywell Lifeline, Self-Retracting, Series: Falcon Edge, 420 lb Load, 30 ft Length, Galvanized Steel Line, Brass and Stainless Steel Mechanism/Ballistic Nylon CarbonX Cover/Cast Aluminum Hub/High Impact Resistant Nylon Housing/Steel Hook Hardware, 3000 lb Tensile Strength, Specifications Met: ANSI A10.32-2012, ANSI Z359.14-2014 Class B.In work environments of every variety, edges at height are much more common than people are aware of. Simply look around any construction site and note the many different edges that exist such as edges of a floor, roof or formwork. Designed for performance in edge applications, Falcon edge SRLs offer versatility, reliability and maximum safety.