Tier One Black Knight

An innovative, high-performance string designed for the modern tournament player. The latest six-sided co-polyester blend ensures an ideal balance of power, control, access to spin, and unexpected arm-friendliness. Exceptional durability and tension stability guarantee the avid player an ultimate, long-lasting playing experience.

Who should try the string?

  • Players who are used to playing with co-poly strings.

  • Players who are looking for a well-balanced string with great directional and depth control, exceptional durability, and access to spin.

  • 15 and 16 gauge: Recommended playing level: UTR 9-16+, 5.0-7.0 NTRP, LK: 4-1, college players, ITF players, etc... (advanced, high-performance level)

  • 17 and 18 gauge: Recommended playing level: UTR 6-9, 4.0-5.0 NTRP, LK: 9-5 (intermediate - advanced)

  • High-level junior players from age 15 and up

 Length: 656 ft/200 m
Gauge: 17g/1.23mm and 18g/1.18mm