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Title: Not up to parr.
Review: I have been using similar CH impact wrench for years. The first one lasted several years. But this new one did not work so good under load. If the screw was really tight and I had to put pressure in the back to keep the wrence from jumping, it would start to jam up and by-pass air. I had to return it and was very disappointed. Not like the old Campbell Hausfeld.
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