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</br>Panasonic Replacement Outer Foil and Inner Blade for ES-LA63-S and ES-LA93-K.  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</br>Made in Japan</br></br>Product Description</br></br>Panasonic Replacement Outer Foil and Inner Blade for ES-LA63-S and ES-LA93-K.  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</br>