The set is of very high quality. The metal is of a satisfactory grade, and this is the second set that I have purchased from Ombra. My recommendation for making pop-out heads is to first cut the cardboard to the same dimensions as the standard foam, which can then be discarded. When she is around, every instrument can be found in its proper location. It's like having a bag with you at all times in case of an emergency. I spent $800 on a set of torx heads from the store called "case of technology" to give to him. From what I've seen, metal also performs adequately when it comes to technological applications. For the requirements of my home (I do not work in a vehicle service), this is more than adequate.
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