This Review Title is Works OK but blades are too expensive and the content is: Purchased it in a promotion, as my old mach 3 was worn down. I cannot recommend this, as I do not feel a significant upgrade over the 3 blade Mach, and most importantly, the refills are very expensive..There are other information for this review, one is This reviewer did not purchase it and the other is 0 people think this review is helpful.