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We have owned the same machine in the 12" for many years. We use it for light duty, occasional cutting of photo paper and for fairly precise trimming. It is in a completely different class when you leave the old lever type paper cutters you will wonder why it took so long to change. Our old Carl 12" has never had the blade or cutting strip replaced and they are both performing well in our light duty use. We purchased the new 18" so we can cut Canon's 13" x 19" photo paper into usable 8" x 12" sheets. Works great as always. The wear parts are readily available at Amazon among many other places. I recommend it highly for light to medium use.