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Title: Poorly constructed, doesn't do job
Review: I am using five of this product (385-49B). The pages slip through the rings. The two halves of each ring do not fit positively together and do not stay together well. I used them according to instructions -- open only by depressing the metal snap tab -- but they still don't work well. I can't understand how it could be hard to make a decent 3-ring binder -- and this is the "Heavy Duty" model. Highly disappointed after more than one year of light use.
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