The Four Point Dinghy Lift XL can do double duty. They can be used for lifting an inflatable by either a one point system (ie: halyard or crane ) or by a two point system ( ie: double davits ) Each of the legs has adjustable stainless steel buckles to help you balance the load. Strong 1” nylon webbing is used on all legs of the harness, replacing old fashioned wire strops that will not corrode or chafe hull. All hardware is stainless steel, including the snap hooks, safe working load is 200kg.