Black Knight - Co-Poly Tennis String for The High Performance Player

What makes this 6 sided co-poly string so truly special is that although, it is very soft/arm-friendliness (based on USRSA lab results), it holds

A Softer feeling polyester monofilament string to provide better comfort for theplayers yet maintain its durability and controlSofter Feel

Black Knight Poly Sensa Tennis String

A firm feel polyester monofilament string for power players seeking durability and controlDurableControlFirm FeelPower

Black Knight Poly Plus Tennis String

Tier One Sports Firewire Boost - A Hybrid Co-Poly/Co

Tier One Sports Firewire Boost - A Hybrid Co-Poly/Co

X Feel Origin Essential : : Everything Else

Oneshot Pickleball Paddle - Katanashot XL - USAPA Approved

Tier One Sports: T1 Black Knight 17g Tennis String Set

Tennis - Softer Poly

Tier One Ghost Wire Soft co-Polyester Tennis String (Set - White, 16

Tier One Ghost Wire Soft co-Polyester Tennis String

TRU PRO Black Knight Review & Playtest

Find Your Next Tennis String, TRU PRO EUROPE