The ashaway viper xt500 super slim weighs 88g 31oz and is head heavy balanced for more power stability and spin it features a square head shape and comes strung with the zymax 70 string ensuring excellent durability and responsiveness the racket is constructed of ultra hi modulus graphite and incorporates the viper weave technology for low torque and no lateral movement even on miss hits in addition the 88 hole stringing pattern delivers more stability to the string bed