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These weights are chrome plated iron weights, NOT Stainless Steel. But I expected that as the chromium/nickel required in that allow makes it more expensive and at such a low price with shipping included, you can't expect for more. So it's still a good value. Just would like the description to match the product so I've removed a start for that. They come in a small blue plastic carrying box. And the stupid plastic tweezers that would be of use if they were extremely precise calibration weights... but they are not. It's difficult to validate that the accuracy is as stated (+/-0.003g), but testing with 2 electronic precision scales I believe that the error on the weights were much higher than stated, but I don't have the proper instruments to prove it... They are good toys that will provide you +/- 0.01g accuracy. The top handle can be unscrewed, so if you have precision instruments, you could calibrate them yourself by removing or adding material under the handle. Of course they don't come with a calibration certificate. Martin Politick 2016 Read full review
Verified purchase: Yes | Condition: New
Good assortment of weights, good storage box with a handy design. The only draw back is the plastic tweezers aren't sturdy enough to retrieve the heavier weight and they are different than the one pictured. I would not let that influence my decision to purchase this set because the nib on top is good enough to grab with fingers. I would recommend this.
Verified purchase: Yes | Condition: New
I ordered a set of calibration weights and in return got a pack of AA batteries. Its ridiculous
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
Good set for calibrations and overall making sure you scale is dead on.
Verified purchase: Yes | Condition: New
