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Title: Clamps leave a lot to be desired
Review: I purchased five of these clamps expecting the non-threaded attachments would be a great thing. I had two disappointments. First, the lack of threads allow the clamp to twist on the pipe. It is hard to get them tight without using both hands. Secondly, and the most disappointing, is that the movable part of the clamp that should slide up and down the pipe to tighten on the work binds on the pipe more often than not and prevents you from getting good pressure on the item being clamped. I tried wire brushing the pipes thinking that they had rough spots on them but it did not help the situation.
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