The inserts fit my wallet perfectly, which is actually an old Rolf that I have owned for many years. I had to cut off the top and bottom of the "sliding" part a bit to make it fit! No problem! I have used the same inserts multiple times. My bulging wallet (because of a lot of cards - honey, business cards etc. - I'm old and have to carry a lot!) at some point rips the card holders off the slide [partially.
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