Features:
Top quality， largest selection， best value
Smooth surface
Compact， high-performance design
This is a must have for anyone with a pocket scale.
This precession calibration set has all of the weights you will need and more!
Material: Nickel-plated steel
Quantity: 5pcs， 20g， 10g ，5g ，2g ，1g.
Color: Silver
Permissible error: ± 0.003g

Package includes :
1 x 20g Calibration Weights
1 x 10g Calibration Weights
1 x 5g Calibration Weights
1 x 2g Calibration Weights
1 x 1g Calibration Weights