The product does not match the picture but is absolute junk. This is the quality you would expect from a $30 60 piece Harbor Freight set. I have several different sizes and they are all made the same way. The thread does NOT go all the way through, it looks like it's about half broken at the back (it's very rough, not milled). This matrix costs no more than 75 cents, certainly nowhere near the $8 I paid! These return. I knew I wouldn't get excellent quality for an $8 Matrix, but I expected at least average "good" quality, not the lowest junk I got.
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