Panasonic WES9979P Men's Electric Razor Replacement Inner Blade &amp; Outer Foil Set<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Replace with true Panasonic parts. It is recommended that you replace the outer foil at least every year to maintain your shaver's cutting performance </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Panasonic Replacement Outer Foil Inner Blade for ES3831K and older models ES-SA40K， ES3833S， ES2218VC. It is recommended that you replace the outer foil at least every year to maintain your shaver's cutting performance and the inner blade every two years </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Made in Japan </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41HaLRYGEEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41oZq0mYa0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31VSeseyisL.jpg" noproxy>