This is the easiest and quickest way to get your crewmember back onboard without the use of a winch. Lifting tackle has a 5:1 purchase, since powerboats generally lack winches, and a triple block with downward facing cam cleat for securing the line. Large carabiner snaps allow attachment to Lifesling and vessel Includes 100' of 3/8" dacron braid, a vinyl storage bag and instructions