Size:

Diameter 6mm, thickness 2mm, hole 1.5mm, weight 0.4g;

Diameter 8mm, thickness 2mm, hole 1.5mm, weight 0.8g;

Diameter 9mm, thickness 2mm, hole 1.5mm, weight 1.2g;

Diameter 11mm, thickness 2mm, hole 1.5mm, weight 1.9g;

Diameter 13mm, thickness 2mm, hole 1.5mm, weight 2.6g

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