Harken Extra 7' Luff Foil Extrusion MKIV Unit 3 Jib Furler
In addition to the multiple foils included in your Harken® MKIV furling Unit there are 7 ft. Luff Extrusions available that offer all the same great benefits. They are Aerodynamic aluminum Air Foils® that can handle extreme reefing loads and also feature double foil grooves that allow for fast hoists, douses, and sail changes.
For proper installation of extrusions you will need the corresponding Harken® Foil Connector Set.