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7 Hole Sheet ProtectorsThese multi punched 7 or 11 hole sheet protector is pre-punched to fit most binders including 2, 3, 4, 5 and 7 rings. These are the most common ring configurations used with ring binder in today's world. Some countries has a tradition to use there own type of ring configurations most famous would be Japan with their multi-punched 22 rings or so, Holland with their 23 hole pockets, Sweden with their 4 ring system which do not fit any other 4 ring systems in the world and finally Spain which also have their own "super system" with more holes than anyone knows what to do with (31).
Believe it or not in the past it was even worth than today. Now at least we are using almost the same size of paper or should we say there are two main standard left: The "A4" sizes metric system and the "letter size" system. Those two sizes properly account for about 80% of today's writing paper usage.
11 Holes Punched Work with Most Binders
In addition to the paper sizes and out of this mess with all those different ring configurations the universal 11 hole system has developed over the years. Most countries use some form of combination of these 11 holes. Mainly 2, 3 4 rings.
But as often as before the US government decide it would be great with 7 rings and for that very reason most sheet protectors used by the government is punched with 7 holes and thereby become a 7 hole sheet protector. Our 11 hole protector works with the US governments 7 holes configuration.
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