JSP 20m Wire Self Retractable Lifeline - Integrated Winch for Rescue20m Wire Self Retractable Lifeline Integrated Winch for Rescue 20m Self retractable lifeline with Winch integrated for rescue. Features & Benefits Retrieval fall arrester block in plastic casing which is coupled with hoisting winch to enable easy retrieval of victim. The Block allows the fall to arrest and also allows easy hoist of the victim with the help of its hoist handle. The locking pin on the side of the casing at the base of the handle allows