HIGHER QUALITYReplacement Shaving Head & Cutter Blades with Hypo-Allergenic Foil Head with Bump Prevent TechnologyCompatible with F4900, F5800, F7800, F-4900, F-5800, F-7800, MS-5500, MS5500, MS-5700, MS5700 Shaver PRODUCT SPECIFICATIONSReplacement Foil and Cutter Compatible with Remington TITANIUM-X Flex & Pivot Foil and Cutter F5800 & F7800 EASY TO USEThe ultra fine foil enables a 0.1mm cutting length. Only the lightest pressure is needed for an ultimate super close cut and bump-free shave Designed for the closet shave possible without being painful or irritating. EASY TO CLEAN AND INSTALLATIONEasy cleaning and for a quick change for consistent close cutting and shaving.