HIGHER QUALITY & SAFETY:Replacement Shaving Head & Cutter Blades with Hypo-Allergenic Gold Foil Head with Bump Prevent Technology.Rotects sensitive skin against nicks, cuts, and irritation PRODUCT SPECIFICATIONS: Replacement foil and blade Compatible with BaBylissPRO FXFS2G/FXFS2 Double Foil and Cutters set, it can be used interchangeably with any FXFS2G/FXFS2 shaver HOW TO USE: The replacement package includes a hypo-allergenic gold foil and a gold cutter bar assembly,Designed to get the closest shave possible without being painful or irritating.Shaver foil and cutters should be replaced every 3 months. EASY TO CLEAN AND INSTALLATION:Easy cleaning and for a quick change for consistent close cutting and shaving CUSTOMER ARE OUR PRIORITY: If you can't install it, you can refer to the instructions on the back of the package or contact us in timewe will solve it for you.