3M Protecta 3100403 Self Retracting Lifeline Rebel 6' (18M) Web, Steel Snap Hook and Carabiner, Black/Red Tough and impact resistant thermoplastic housing Quick activating speed sensing brake system 6 ft (18m) 1" (25cm) polyester web lifeline High capacity external energy absorber and impact indicator 6 ft (18 m) of 1" (25 cm) polyester web with steel snap hook, swiveling anchorage and carabiner