ensures una smooth and imperceptible shave they are equipped with 5 blades have soft microfins to smooth and smooth the skin they are ideal for hard to reach areas and for styling hairs they contain una lubricated strip for greater comfort. The package contains 8 pieces. They fit the ProGlide, ProShield and Fusion razors. Modo How to use: Easily change the blade by attaching it to the correct razor according to the instructions on the package.