Tecnifibre Carboflex (S) Squash Racquet Series (125, 130, 135g Weights Available) Make sure this fits. by entering your model number. Frame Weight: 125 +/- 5 g Head Size: 500 cm2 / 77.5 sq.in. Balance: 350 +/- 5 mm Composition/Construction: Graphite/Basaltex