The tool itself is strong (less than a thousand blows) and fully openable, the picture was of 4120 tool steel the quality of which the cutting tools were just not of the quality to give an excellent finishing finish. Note that a good set of inserts costs what they charge for the whole package, and I don't mind using these inserts on mild steel and aluminum (which have a better finish). Some cheap tools are useless, some are great purchases, I believe this will be the last.
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