Tennis Industry magazine
Gamma TNT2 Touch is the first multicore, multi-wrap string energized with the Gamma patented TNT (Thermo Nuclear Technology) process. TNT2 Touch is a premium string that according to Gamma offers amazing feel and power without sacrificing control. Gamma says that the ball stays on the string so long it feels as though the strings are “cupping” the ball, enabling pinpoint control for maximum accuracy.
See the full playtest report here.