Weight for convenient scale calibration, carbon steel w/chrome plating 5 gram. Scales should be re-calibrated with each weighing. Your scale should correctly measure 5 gram when you put this weight on it. If it does not you need to recalibrate your scale. You can recalibrate your scale's accuracy by reweighing the weight throughout the day, month's and year's to come.

A great gift idea for any collector!

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