The Ultra 100 Countervail is the most versatile racket in the Ultra franchise. Featuring Countervail Technology that maximizes player energy and integrated power technologies that get the most boom for your buck, this racket is a game-changer for players of all levels and styles.
| Unstrung weight | 300 grams |
| Balance | 4 pts Head Light |
| Head size | 100 sq. in. / 645.16 sq. cm. |
| Stiffness | High - 70% (69 RA) |
| Recommended tension | 50-60 pounds |
| Swing weight | 316 kg · cm2 |
| String pattern | 16 Mains / 19 Crosses Mains skip: 8T, 8H One Piece No Shared Holes |
| Length | 27in / 68.58cm |
| Beam width | 23mm / 26mm / 23mm / |
| Composition | Carbon Fiber |
| Power level | Low-Medium |
| Stroke style | Full |
| Swing speed | Fast |
| Colors | Blue w/Silver and Yellow Lettering |
| Grip type | Wilson Sublime |
![Yonex EZONE Feel (7th generation) 250G Strung Tennis Racket [Sky Blue]](https://www.profitgeer.shop/image/yonex-ezone-feel-7th-generation-250g-strung-tennis-racket-sky-blue_d8WlJV_300x.webp "Yonex EZONE Feel (7th generation) 250G Strung Tennis Racket [Sky Blue]")
