The karakal crystal pro ssl 125 double pack is comprised of two of these upgraded squash rackets that are one of the best in the karakal range karakal use crystal technology when making the crystal pro ssl 125 for increased touch and power play and improved durability tensile strength has been improved by the tri tec frame section and this means better playability from the 125g 44oz frame with a mid heavy balance and a midplus 736in2 475cm2 head players can take to the court knowing th