PentaPower is a monofilament with pentagonal shape and composition based on copolyester. The average static stiffness is 1.12 kg/mm.
Spin Control Tension holding Resilience peak
Spin-friendly strings are designed to grip the ball and snap back into place quickly, increasing the bite needed for heavy topspin and slice. Shaped or textured monofilaments typically lead this ranking, since their profile digs into the ball's felt more than round, smooth strings.
