The dumbbels are nice overall, but quality of casting not the best. I bought a few pairs of these, and the weights themselves are nice. The only issues is the casting process isn't the best. There are some burs in the metal, especially on the knurled part. A few sharp parts that kind of scratch/cut you. I think I'm going to take a file to them, and do some light clean up and de-buring. That should get them nice. I'd think there would be some quality control process at the manufacturing factory, where the final step is someone cleans them up with a file or grinding/sanding wheel to take the burs out. Other than that, great value for the price.