This is not BOSCH, this is Chinese crap. With this set, only computers can be disassembled, but why overpay for a brand? It wonโt even work for household self-tapping screws, it licked off the edges of the ph2 bit on the very first self-tapping screw, screwed the bison with an old bat and even stronger. The case probably costs half the cost of the set, it would be better to save money on the case than on the quality of the bits. But how it sounds - BOOSH, ugh . It's a pity you can't post a photo here!