High Quality: the replacement of the Foil and blade adopts high-quality materials and craftsmanship. The precisely designed self-forming steel blades remain clear and easy to clean Applicable Models: our replacement foils and tools are compatible with 17150(TS-1)/17155/17200 Pro Foil Shaver. When the foil and the cutter darken, you can replace it Easy Installation: replacing the blade makes it convenient to replace and clean. It can be installed very easily. Just remove the old blunt Foil and blade, press the new Foil and blade and trap it in the right place Hypoallergenic contact honeycomb surface minimizes skin irritation and is an ideal choice for sensitive skin Dear Customer: thank you for purchasing our products. If you have any questions or suggestions, you can contact me at any time 3 Pack Pro Shaver Replacement Foil