DBI-SALA Sealed-Blok™ Self Retracting Lifeline - RSQ™/Retrieval - Stainless Steel - 50 ft.* IP 69K rated to provide protection against ingress of dust, high tempeatures, and high pressure water, for use in extreme environmental conditions. * Allows a user to select either fall arrest mode or descent mode providing the user with a built in rescue system. * The built in winch is ideal for use in confined spaces and allows the load to be raised or lowered during emergencies. * Heavy duty housing and corrosion resistant materials stand up to