A Type -
Diameter:22.5mm~28mm /
Thickness:1.6mm~2.4mm B Type -
Diameter:20mm~23mm /
Thickness:1.6mm~2.2mm C Type -
Diameter:23mm~30mm /
Thickness:2.5mm~3.3mm D Type -
Diameter:23mm~30mm /
Thickness:1.6mm~2.4mm F Type -
Diameter:22.5mm~28mm /
Thickness:1.0mm~1.5mm