This Review Title is Solid shaver but needs affordable foil. and the content is: My Braun series 5 shaver has been with me over 12 years without changing the foil or cutter. Some complained about the compatibility. So I took a photo on the back of my shaver. It says Use Parts 51S..There are other information for this review, one is This reviewer did purchase it and the other is 0 people think this review is helpful.