Chrome plated calibration scale
Pack of 5
Weight: 1g, 2g, 5g, 10g, 20g
Size(D*H):
1g: 5*7mm(0.19*0.27 inch)
2g: 6*9mm (0.23*0.35 inch)
5g: 8*17mm (0.31*0.6 inch)
10g: 10*20mm (0.39*0.78 inch)
20g: 13*21mm (0.51*0.82 inch)
These items are used to calibrate digital scale so as to weight things more accurately