3M DBI-SALA 3504600 Ultra-Lok Self Retracting Lifeline, 55' , 7/32-In Galv Steel Wire Rope, Swivel Snap Hook, In-Line Shock Absorber for Leading Edges Reserve lifeline system Semi-sealed design Stainless steel dynamic components Swiveling anchorage point 55 ft (167m) of 7/32" (55mm) galvanized steel wire rope with swivel snap hook and in-line shock absorber for leading edges Designed for leading edge applications Durable and lightweight cast aluminum housing Semi-sealed design 55-foot (16.7m) 7/32-inch (5.5mm) galvanized steel cable lifeline Stainless steel dynamic components