Upgrade X8 consists of advanced fibres braided with Japans latest technology to offer a premium braid. YGK WX braiding technology is woven to offer the least stretch and tightest line body. Upgrade X8's 8-strand body offers the smoothest line surface., its hard coating prevents tangle, abrasion and water absorption.
| PE | LB | Dia | Length |
| 0.8 | 16lb | .148mm | 300m |
| 1 | 22lb | .165mm | 300m |
| 1.5 | 30lb | .205mm | 300m |
| 2 | 40lb | .235mm | 300m |
| 2.5 | 45LB | .265mm | 300m |
| 3 | 50lb | .285mm | 300m |
| 4 | 60lb | .330mm | 300m |