Panasonic Shaver Replacement Outer Foil and Inner Blade Set (WES9600P) keeps your Panasonic ARC 6 shaver performing its best, for a smooth, comfortable shave every time. Over time, your shaver's foil can wear too thin, resulting in a lack of flexibility, and cutting parts can become dulled and pitted, creating skin discomfort and a less than satisfying shave experience. In order to maintain the level of grooming comfort and satisfaction that you demand from your Panasonic Shaver, the high-performance foil system should be replaced once 18 monthes with genuine, easy-to-install Panasonic replacement foil. Installation is easy, as parts are designed and assembled to custom fit your shaver model. Simply remove the worn foil system and snap the new one into place. Genuine Panasonic outer foil and inner blade set are hypoallergenic and use a distinct foil system that work in tandem to capture, hold and cut different types of hair that make up the beard. The slight arc of the foils keep in close contact with the skin for quick, clean, comfortable shaving. Made from premium, Japanese stainless steel, Panasonic foils are precision honed using centuries-old traditions of skill and expertise in crafting the high-quality steels once used to create Japan's legendary swords. This replacement outer foil and inner blade set is compatible with ARC6 shavers ES-LS9A-K and ES-LS8A-K