This is my second order. So far no problems. Used on a 20 year old Hypertherm and has had very few issues. I converted my hand torch for use on a CNC plasma. It works more than ever and works very well. Since the CNC maintains a very constant height and speed, this is a good test to see how long they actually last. I don't change tips as often as I used to. I could be a bit more wobbly and use more tips when cutting by hand, but they last quite a long time on CNC even when cutting parts with lots of initial and final holes. I measured them against Hypertherm and the measurements are very close.
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