YONEX Astrox 99 Tour 4u Racket Silver 5

Specifications: - Frame: Hm Graphite / Nanomesh Neo / Volume Cut Resin / Tungsten- Shaftl: Hm Graphite / Namd- Joint: Built-In T-Joint- Weight / Grip: 4u(Avg.83g) G5, 6, 3u(Avg.88g) G4, 5, 6- Stringing Advice: 4u 20 - 28 Lbs, 3u 21 - 29 LbsTechnology:Namd: - Revolutionary Graphite- A World-First, New Dimension Graphite Material, Namd, Greatly Improves The Adhesion Of The Graphite Fibers And Resin By Attaching Nanomaterial Directly To The Graphite Fiber.In High Performance Racquets, It Is Common To Combine Nanomaterials With Resin That Connects Graphite Fibers, But In Namd, Nanomaterials Are Directly Adhered To The Graphite Fibers And Resin Is Greatly Increased. This Major Improvement Produces A Shaft That Flexes And Stores Energy, Delivering Explosive Force On Impact With The Shuttle.Nanomesh Neo: - Ensures A Stronger More Flexible Frame, While Increased Shaft Flex Creates Maximum Power.Aero+Box Frame: - Combines Solid Hitting Feel And Quick Swing.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 Greater Control Without Sacrificing Power.Rotational Generator System: - Counterbalanced Weight Distribution- By Applying The Counterbalance Theory, Weight Is Distributed Throughout The Grip End, Frame Top And The Joint For Maximum Control. The Transition To The Next Shot Can Be Performed Smoothly, With Rapid Succession.Extra Slim Shaft: - Thinnest, Strongest Ever Produced By Yonex- Cutting Edge Nanometric Carbon Technology Is Used To Produce An Ultra-Thin, Ultra-Tough, Aerodynamic Shaft, Created For A Stronger And More Intense Shot.Energy Boost Cap Plus: - Uniquely Shaped Cap Which Maximizes Shaft Performance.The Front Allows The Shaft To Flex, While The Sides Arch-Shaped Curve Stabilizes The Racquet Face By Preventing The Shaft From Twisting.Volume Cut ResinRexis Shaft: - A High-Performance Shaft Precisely Designed With An Original Yonex Molding Technique. Improves Shot Performance And Dominates The Game.Power Assist Bumper: - Attached To Enforce Heavier, Increased Power By Configuring The Weight Directed Into The Shuttlecock With A Tungsten-Infused Nylon Bumper.