These items are used to calibrate digital scale so as to weight things more accurately.
International M2 level calibration weights for your mini Pocket Digital Balance Scale.
Kit Includes:
1 x plastic storage case
1 x tweezers
1 x 100g Calibration Weights
1 x 50g Calibration Weights
2 x 20g Calibration Weights
1 x 10g Calibration Weights
1 x 5g Calibration Weights