Yonex Muscle Power 8S Badminton Racket

FrameAluminum ShaftGraphite / Nylon Weight / Grip2U (Avg. 93g) G4 Stringing Advice 2U: 16 - 20 lbs ISOMETRIC Enlarged Sweet Spot ISOMETRICTM technology continues to help the world’s greatest players achieve global success. Developed over 30 years ago, the ISOMETRICTM design increases the sweet spot by 7%*. Compared to a conventional round frame, a square-shaped ISOMETRICTM racquet generates a larger sweet spot by optimizing the intersection of the main and cross strings. ISOMETRICTM delivers greater control without sacrificing power. ISOMETRICTM is a Trademark of Yonex CO., LTD. *Tested by Yonex MUSCLE POWER Frame Unity of String & Frame Muscle Power locates the string on rounded archways that eliminate stress-load and fatigue through contact friction. This construction creates total unity of the string and frame through closer and tighter contact.