The plug fell out and the "bbs" were lose. I could not get them to balance at 100 grams by putting them back in. One must have been lost in the packing. The plug would not stay in. I have other weights to equal this so it wasn't worth my effort to return.

order 100 gram weight... But received a 50 gram weight instead

Nice packaging nice looking calibration weights however it is off by .237 being that I am disabled and have to accurately weigh some medications it is a hassle to do the math to make sure my doses wait regiments I have also tested this product that I have purchased on 5 other 100g micro scales and a Triple Beam scale and they all agree that this calibration weight is off within a tolerance of .237 and .2 41 I kind of found that undesirable but overall looks good and reasonably priced I just wished it was a little bit more accurate

Great product and quick shipping

I ordered the 100 gram weight when I bought my jewelry scale. Both products were delivered super fast even during the holiday season. Using this weight I can easily prove to myself an scale is measuring correctly.