The Tecnifibre Dynergy 117 Flexarm is endorsed by Wael el Hindi & fitted with a 76in 2 (490cm 2) head. It weighs 117g (4.1oz) & offers a 14x 18 string pattern. The racket is strung with the 305+ Black 1.20 string for dynamic performance & added comfort. The Dynergy 117 Flexarm is head heavy balanced for excellent spin & stability, & incorporates the Flexarm technology resulting in 10% increased flexion for more power.