There are 5 products.
POWER PRINCIPLE is a completely new. High-Copolymer, round, with a snap back as never before. The string has power, control at its best, supported by elastic additives.
Highlight: Minimal sharp sided structures delivers much power, control and spin. For all skill levels and ages. Unique!
Important Note: String main + cross 1.0kg less than normal Co-Polyeste.
Ideal for players looking for a maximum of spin potential and power.
Heptagonal, twisted co-poly string for highest level of spin potential.
#1 string in power and tension stability during play (Playtest of spin strings 2014 by German tennisMAGAZIN). #2 string in spin potential. Overall rating: GOOD.
Highlight: Minimal sharp sided structures delivers much power, control and spin. For all skill levels and ages. Unique!
Important Note: String main + cross 1.0kg less than normal Co-Polyeste.
