サイズ:
1th : inner diameter 3.5 diameter 7.2, 3.8mm2nd : inner diameter 4 diameter 7.5, 3.7mm3rd : inner diameter 5 diameter 9, 4.2mm4th : inner diameter 6 diameter 10.5, 4.3mm5th : inner diameter 6 diameter 12, 4.5mm7th : inner diameter 6.5 diameter 14, 4.6mm9th : inner diameter 7 diameter 13, 4.6mm10th : inner diameter 8 diameter 14, 4mm13th : inner diameter 9 diameter 15, 4.7mm14th : inner diameter 10 diameter 16, 4.3mm15th : inner diameter 10 diameter 18, 5.4mm16th : inner diameter 11 diameter 18, 4mm17th : inner diameter 12 diameter 20, 4.7mm18th : inner diameter 12 diameter 22, 5.7mm19th : inner diameter 14 diameter 23, 5.6mm20th : inner diameter 15.5 diameter 23, 5mm21st : inner diameter 16 diameter 23.5, 5.5mm
