The YONEX Duora 10 Badminton The YONEX Duora 10 Badminton Racquet comes with a new double cross frame concept first time in Racquet history. It is equipped with BOX type frame design which gives a new aerodynamic frame design shape to the Racquet. It allows badminton players to hit strong forehand smashes and fast backhand drives. The Racquet features a dual-frame design that makes the racquet perfect for control and power without having to sacrifice on either front. This Racquet lets you create your own style of play. Key Features: Dual Optimum System: In the dual optimum frame concept, YONEX has put 2 types of frame sections design into single frame constriction of YONEX Duora 10 Badminton Racquet. The front side of the frame is designed with a box section frame, while the backside of the frame is designed with an aero frame. This type of configuration gives two sections into single frame construction. The Box section is designed with new material, Nanometric Dr, while the Aero section is designed with NI-TI fiber material. Both the Material together gives a new and revolutionary frame design, giving the following benefits to badminton players. The forehand side of the frame is designed with Box type section and equipped with Nanometric DR Material which gives a shuttle hold time of 3%. Due to this player places the shuttle with more power and superb control. The backhand side of the YONEX Duora 10 Badminton Racquet frame is designed with an aero type section and equipped with NI-TI fiber, which gives repulsion 9%. Due to this player gets a stiffer Racquet which results in quick Racquet repulsion. NANOMETRIC DR (Unique Technology): NANOMETRIC DR is a new carbon material developed by YONEX based on their unique NANOSCIENCE technology. Created from a material originally developed for next-generation space aviation by Toray Industries, Inc. By combining firm shuttle hold and high repulsion, NANOMETRIC DR puts the YONEX Duora 10 Badminton into a class of its own. New Grommet Pattern (High-Performance): The single-pass grommet hole construction provides more grommet holes for a more high-performance stringing pattern. About YONEX: YONEX is a manufacturer of badminton rackets and other sports equipment. The company has been in business since 1968 and is known for its superior quality and attention to detail. Is it good for counter-attack? Yes