S-Drive is a low friction fairlead designed for the mast exit of halyards with medium-low tension but it is also a solution to drive lines underdeck. It offers all the advantage of the Low friction rings: light weight and minimum sizes, high load resistance, no maintenance and, not last, low prices. S-Drive is offered in three sizes for diameters up to 6, 8 and 10 mm and line tension up to 1800 kg.