The Wilson Hyper Hammer squash racket doubles deal contains 2 fantastic 120PH rackets, each with their own thermo cover. The Wilson Hyper Hammer are the most popular of the Wilson squash rackets. They have a 77in 2 (497 cm 2) head size & a head heavy balance. The rackets weight 120g (4.2oz) & have a 14 x 21 string pattern. They offer 25% more power.