Review on 💎 Advanced Precision Calibration Lab for Jewelry Education by Robert Espinoza

This item was delivered to the wrong address through no fault of the seller. I ordered a load of 1000 grams, instead I received a load of 500 grams, 1 box. Box utilitarian, plastic blue. The weights appeared to be used which means they had scratches and dents. I did not return the set for accuracy reasons, but because I need a 1000 gram weight. The plastic pick holder looks cheap and doesn't hold up well. Science class, but not for anything serious.