The tecnifibre dynergy ap 135 squash racket double pack consists of two rackets with a head size of 76in2 490cm2 and an innovative arch power stringing system ensuring exceptional power and feel suitable for players searching for a blend of stability and power the rackets come strung with a synthetic gut 125 string that increases durability and gives a great ball feel they are constructed from graphite and hmg high modulus graphite which makes the rackets strong and stable and boast