Dunlop Sports Rapid 135 Squash Racquet Headsize: 500 sq cm Frame weight: 135 grams Balance: Extra Head Light M-Fil (Multi Filament) is a combination of three materials that are incorporated into the hitting zone of the racket head The unique PowerRib technology reinforces the racquet throat area to deliver maximum torsional strength Enhance the touch and feel of the racket where and when you need it most - at the moment of ball contact This torsional strength stabilizes the racquet head at ball impact for ultimate power and control