As usual with any HeliCoil setup, it saved a day for my project. Mine wasn't as advertised. The installation tool was better than the diamond handle style. It came with a straight bar with a mounting hook on one end and a square drive on the other. Put a square drive in a wrench, crescent wrench, vice or whatever and screw it in. I recommend buying a good cobalt tip for this and dedicating it to the HeliCoil kit.
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