gladly opened it as I needed to repair the threads on my manifold. opened, there were pieces inside, to be honest, that could have happened during transport. I immediately took the sizes I needed and left, I have to say it definitely worked. not difficult to use and not much hassle, fixed my collector filaments well. I suggest following the instructions that come with it if this is your first time using such a tool. I love the different sizes it comes in and overall it doesn't feel cheap. I hope it will offer me a long time using. Only downside, which is insignificant to me, was the case, it could have been bent a little tighter so everything was in place. but overall the tool worked as described without any problems!
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