Size：6.3m Material: High carbon, outer diameter 1.4mm, inner diameter 21.3mm, length 121cm, 6 sections, 210g Size：7.2m Material: High carbon, outer diameter 1.4mm, inner diameter 23.3mm, length 121cm,7 sections, 279g  Size：8m Material: High carbon, outer diameter 1.4mm, inner diameter 25mm, length 121cm,8 sections, 348g