Remington R5000 head set
This is a replacement head, cutter and frame set. Just pop the old top of your shaver off and replace it with this new one.
Fit models: R5000 series shaver. Also fits R6000 version
The spares consist of the outer frame with three inner foils, the cutters underneath and the retaining plate beneath them holding the cutters in place.
So to recap it 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.
(Post and packing to a UK address is only £2.50 for one set or free of charge if anymore than one set is ordered.)