1.5, hole 1.0, thickness 1 (mm) [weight about 0.005g/piece]
2.0, hole 1.5, thickness 1.3 (mm) [weight about 0.01/piece]
2.5, hole 1.8, thickness 1.7 (mm) [weight about 0.02g/piece]
3.0, hole 2.1, thickness 1.8 (mm) [weight about 0.03g/piece]
3.5, hole 2.5, thickness 2 (mm) [weight about 0.04g/piece]
4.0, hole 2.9, thickness 2 (mm) [weight about 0.05g/piece]