These weights are of very poor quality. The finish is sloppy, the body is terrible. The weights fall out of the foam every time you close the lid and move the case. Then you have to hope you don't lose them when you open the lid. The plastic lid that is supposed to hold the mg squares in their compartments doesn't fit or fit so they don't hold them in place either. The weights themselves do not inspire confidence in their accuracy, although I have not checked. Not a good product.
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