Size:

1#: Diameter 9mm, weight 0.22g;

2#: Diameter 8mm, weight 0.22g;

3#: Diameter 7mm, weight 0.15g;

4#: Diameter 6mm, weight 0.13g;

5#: Diameter 5mm, weight 0.08g;

6#: Diameter 4mm, weight 0.045g

Note: The size and weight are measured manually, so there will be some indirect measurement errors.