This kit comes with a big variety screws in some good useful sizes. There is enough nuts for all of them along with a standard washer for each. However it also comes with a total of 360 useless split lock washers. It is nice that they come with the Allen wrenches for all the hex head sizes used in the kit. The plastic sorting/storage case is good enough. Mine came with the bottom cracked and somehow all the screws and nuts hadn't fallen out. I was able to use some packing tape to secure the bottom so that everything doesn't fall out.The threads seem to be cut well on all the screws and nuts. In my quick testing of a few of each size, the nuts went on easily without binding or catching. In light of the fact that it has all the split lock washers, this kit isn't quite as good of a deal as it first seems. It doesn't make it a bad deal mind you, it just they could have spent the cost on more nuts and screws.
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