Size:

Diameter 2mm, hole 0.5mm, weight 0.025g;

Diameter 2.5mm, hole 1mm, weight 0.03g;

Diameter 3mm, hole 1mm, weight 0.04g;

Diameter 4mm, hole 1mm, weight 0.1g;

Diameter 5mm, hole 1.5mm, weight 0.21g;

Diameter 6mm, hole 1.5mm, weight 0.31g

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