... Hexagonal pearl cap size: 10.2mm, 12.5mm9). Octagonal pearl cap size" 10.2mm, 11.6mm10). Rhomibic pearl ... 11, 11.5, 12, 13, 14, 14.5, 15, 16, 17, 18, 19,20, 21, 22, 23, 24, ... 2mm/222#9 ~ 11.7mm9.5mm9.5mm/9mm/333#10~15mm11mm11mm10.5mm10mm10mm444#12~17mm13mm13mm/12mm/555#14~19mm15mm15mm/14mm13.5mm666#16 ... .2~19.2mm17mm17mm/16.2mm/777#18~19.2mm18mm18mm/18mm/888# ...