The gamma tnt2 132mm tennis string set is 122m 40ft long and features an elastalon centre core as well as outer wraps with a pearl coating for ultimate durability it has a gauge of 16 132mm and provides exceptional power feel and control the string set is part of the all around series and incorporates the tnt2 technology that improves dynamic elasticity storing energy and dynamic resiliency returning energy to the ball for maximum control and accuracy as well as for increased spe