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Title: Still looking for a hex nut tightener.
Review: It must be me! This is the second purchase of mine to find something to tighten the hex nut on my reading glasses. The nutdriver is too big for the nut.(The same was true for the other key chain product I bought) I currently use a tweezers to tighten them, which does scratch the glass by the base of the nut. I won't try a third time....I'll use the tweezers.
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