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Title: Terrible Clamp
Review: I ordered two pairs (4 pieces), used for about a month, one pair (2 pieces) broke. They don't create any pressure any more, you can just yank them out from the working set after appying as much as pressure as you could. Called Amazon to get a pair of replacement, out of the box one of them has the same symptom. My Irwin ones, after two years of service, still out perform these in any case.
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