The Yonex Muscle Power 2 Badminton Racket comes with Isometric technology which equalizes the length of the main and cross strings in the string-bed, enlarging the sweet sport for enhanced accuracy. Also coming with a Muscle Power frame which locates the string on rounded archways that eliminate stress load and fatigue through contact friction. This racket is the ideal choice for beating your opponent each and every time. Colour: Black Material: Aluminium, Steel Code: MP-2JRBP