There are 2 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.
Ideal for Club- or Tournament-Players with a powerful groundstroke
Hexagonal shape and strong snap-back effect for great spin potential
High-Tech additives for excellent control, durability and tension stability
Our best-seller.
