Enjoy your cruise with a Harken MKIV Electric Furler. We have combined an efficient electricpowered furling unit with our popular MKIV foil system so you can comfortably reef, furl, or set your headsail from the cockpit—simply by pushing a button. And whether you’re sailing in a blow, basking in a gentle zephyr, or counting on your furler for extra “crew”, the MKIV electric furling system lets you get the most out of your boat, while making sure your passage is a safe and enjoyable one for everyone on board.