I have found that with my Accuquilt master die cutter that the strips are used often, circles, diamonds, unless you are using a lot of a special die, the purchase of any othe die is money left sitting on the shelf. I have many dies that have never had the wrapper off because I have not had a need to use them.. I have the 1 1/2", 2 1/2", 3 1/2", 4 1/2" and 6 1/2" strip cutters and did not buy the 5 1/2" strip die as it only had 2 strips to cut not 3 strips to be of better use and the dies cost a lot. I had some dies made for special patterns. I have had my die cutter for over 5 years now and love it, I tried the smaller die cutter but the cover was plastic not acrylic covers that go with the master studio cutter... WATCH THE FINGERS and do not get them caught under the covers for the fabric... my sister did I had to watch her so she did not lose a finger LOL>>>