Protecta Rebel Steel Cable Self Retracting Lifeline - 20 ft.* The zinc coated internal components, and the shock resistant thermoplastic casing improves the durability of this retractable lifeline. * The Protecta Rebel begins fall arrest within 2 ft. of a fall, that's pretty darn quick. * A Red end of travel indicator lets you know when you're running out of cable. ** This SRL has 3 16' galvanized cable. ** Two year warranty, no recertification necessary ** Complies with OSHA 1926 and ANSI Z359. 14 standards