TENSOR - the six letter word stands for a plus in spin and speed combined with a unique playing feel. By introducing GTT andro opens up these qualities also to such players that either set highest value on control or search for an easy first step into the world of TENSOR. andro® GTT 40 & andro® GTT 45 - those two rubbers are characterized by a perfectly dosed TENSOR effect which makes it possible for everybody to take advantage of the huge TENSOR qualities for the first time. No matter, whether you are a beginner or a block- and topspin-player. - andro® GTT 40 - soft sponge for optimized ball control! - Spinny modern top sheet supports a wide range of spin skills for growth in confidence. - Exact regulation of the TENSOR effect increases feel for the ball and avoids loss of control. - Designed for players learning techniques as well as players looking for highest comfort.