BLX is the new version of racket technology Engineered with basalt fibers combining proprietary frame, and grommet grip technologies for the perfect feel. This racquet is ideal for the advanced senior-junior player. The Pro 26 BLX Senior and Junior Racquet is designed for senior and young players looking for performance and precision. With a bigger head, thicker frame, and more open string pattern, it is great for all playing levels. BLX technology provides a great feel and comfort, making it appealing to senior and junior players. Cosmetics inspired by Roger Federer's frame. Head Size: 645 cm square/100 Square Inches Weight: 250g Balance: 33.0cm