Size:

1#: Width 14mm, hole 1.5mm, weight  4.36g;

2#: Width 12mm, hole 1mm, weight  3.6g;

3#: Width 10mm, hole 1mm, weight  2.1g;

4#: Width 8mm, hole 1mm, weight  1.19g;

5#: Width 12mm, hole 1mm, weight  2.95g;

6#: Width 10mm, hole 1mm, weight  1.78g;

7#: Width 8mm, hole 1mm, weight  0.91g;

8#: Width 6mm, hole 1mm, weight  0.68g

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