4210201337812 Braun 51S, 8000FC Activator screen foil and cutter blade.
2X Replacement Shaver Foil Head For Braun 51S Contourpro 360Degree Series 5/8000 8975|Personal Care Appliance Accessories| - AliExpress
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Amazon.com: Series 5 51S Foil & Cutter Replacement Head, Compatible withBraun Previous Old Series 5 Models - 590cc,But Not New Series 5 : Beauty & Personal Care