Description of Enhanced Jewelry Calibration with Precision Electronic Balance
The calibration weights are made of high quality steel, chrome plated, good finish, good wear resistance, corrosion resistance. It is suitable for digital jewellery scale, general laboratory and commercial, for digital pocket scale, jewelry carat scale, diamond scale, precision balance test. The calibration weights are calibrated to within -0.003 to +0.003 g.this set of scale calibration weight is a good choice for keeping your precision scale calibrated and accurate. Come with a tweezer. And the tweezers used for convenient picking and error reducing, with a storage box for easy storage. If for some reason these balance weights didn't live up to your expectations, we'll appreciated with you to tell us and let we have opportunities for improvement.