Still in Black powerful spin

Monofilament Co Polyester Soft Hexagonal or Octagonal for competitors seeking comfort, spin, and strong hitting power. The Powerful Spin string was developed on the same basis as the Powerful string with an octagonal or hexagonal profile to enhance spin and control. The neon yellow dye provides even more comfort than the Powerful string. Its excellent playability makes this string arm-friendly and accessible to a wide range of tournament players.