The mantis power 130 ii double pack is comprised of two of these evenly balanced intermediate and advanced level squash rackets with a large head size the sweet spot is bigger and more forgiving when hits are not in the centre of the racket and the fan shaped string bed also increases power potential the rackets are 100 high modulus carbon constructed which makes the frame strong and the strings are mantis t power white strung in a 14x18 pattern the rackets are supplied with full covers w