YONEX Nanoflare 800 Pro 3u4 Racket

Specifications:- Flex: Stiff- Frame: HM Graphite, M40X, SUPER HMG, Copper- Shaft: HM Graphite, SUPER HMG, ULTRA PE FIBER- Joint: New Built-in T-Joint, Graphite- Length: 10 mm longer- Weight / Grip: 4U (Avg. 83g) G5,6、3U(Avg. 88g) G4,5,6- Stringing Advice: 4U: 20 - 28 lbs、3U: 21 - 29 lbsTechnology: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 YonexSonic Flare System Max Acceleration:- Carefully selected high modulus graphite are strategically placed across the bottom of the frame to provide unrivalled power and stability for maximum shuttle acceleration.Super Slim Shaft Reduced Air Resistance:- Designed to slice through the air, generating speedy power.Energy Boost Cap Plus:- Uniquely shaped cap which maximizes shaft performance. The front allows the shaft to flex, while the sides archshaped curve stabilizes the racquet face by preventing the shaft from twisting.M40X:- A next-generation highly strong, yet elastic carbon fiber developed by Toray Industries, Inc. (TORAYCA™ M40X is developed by Toray Industries, Inc.)Solid Feel Core Cuts Vibration:- Reduces vibrations traveling down the shaft for improved comfort.Ultra PE Fiber:- Lightweight fibers that withstand immense forces while absorbing unwanted shock and vibrations.AERO Frame:- Cuts air resistance for faster swing speeds and increased maneuverability.New Built-in T-Joint:- The lightweight T-Joint increases stability of the shuttle on the strings, maximizing power and control.