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Title: I went back...
Review: To my old cutter block and foil after 4 days with this on my 6590... I had heard it did not fit properly on the 6590, I think they were right... I got lousy shaves and the same amount of skin irritation as I was getting on my 2 year old cutter and foil, so I just put it up and put the old one back on--at least I get a close shave... I'll know better next time...
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