Diadem Impulse Tennis Racquet String, set 40ft/12.2m Size:17 (1.25mm) that combines a low-friction surface

that combines a low-friction surface and maximum ball bite

Solstice Black due to its black pigment will play softer

It has several decisive advantages: high comfort

pair Flash with Evolution or Impulse

Diadem Impulse Tennis Racquet String, set 40ft/12.2m Size:17 (1.25mm) that combines a low-friction surfaceDiadem tennis racquet string Impulse its perfect blend of comfort, touch, power, and feel. Players with slow to moderate swing speeds will benefit from the power of Impulse. Designed when an extra layer of polyamide coating to for added durability. It's also great for all types of players that love the classic gut like feel of a multifilament. Tennis elbow sufferers looking for a softer, more comfortable string should also give Impulse a try.