Braun FreeControl (10B) Foil & Cutter set
Braun 1000 series FreeControl Foil & Cutter Pack To Fit: Free Control 1715, 1775, 190, 190s
This is a foil & cutter set. Just pop your old pieces off and replace with these new ones. The foil top comes as a whole head piece so it's very easy to replace.
These spares should be replaced on a regular basis for optimum performance.