Bamar manual furler for free-flying asymmetric sails such as Asymmetric Spinnaker, Gennaker, Mps and Reacher. Made of Ergal, 17-4PH Steel and Carbon fiber that allows 60% decrease of working load weight. Composed by drum, swivel halyard top and special RollGen anti-torsion stay kit. The drum rotates with endless line and can be used to furl sails with luff integral to the stay, such as Code 0, Drifter, etc. The EVO S drum is a structural stay furler and can contain inside all the line, leaving the deck free of obstacles. The luff control is a double swivel that allows to adjust the tension of the sail luff.