This tool expands better than the traditional rod/yoke type. I've done two practice blitzes and both have been better than anything I've ever done before. The instructions on the packaging aren't very clear, so I suggest watching some online videos. Pay particular attention to the number of tubes that extend beyond the face of the clamp. I also suggest lubricating the threads in the swage as well as the tapered portion of the adapter where the swage meets the adapter and the end of the pipe that you are flaring. I think the people who broke the tool while working must have done something wrong. I didn't feel the power was enough to do that much damage. I have flared 3/16 plated steel brake lines.
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