3M Protecta Rebel 3590550 Self Retracting Lifeline, 50' Galvanized Cable, Thermoplastic Housing, Carabiner, 420 lb Capacity, Red Reserve lifeline system Swiveling anchorage point Speed sensing all metal brake system High strength, corrosion resistant components 50 ft (152m) of 3/16" (5mm) galvanized steel wire rope with swiveling snap hook, thermoplastic housing and anchorage carabiner