Material: stainless steel Colour: black Compatible with the following device models: Braun Z50 Braun Z30 Braun Z40 Braun Z60 Braun Z70 Braun T Braun Synchron S de Luxe For the following types of shear foil: Braun 10B Braun 11B Braun 20S Braun 235 Braun 424 .