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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 advanced players looking for an excellent balance between control and power combined with exceptional spin potential.
8% more elastic vs. MSV Focus Hex®
Hexagonal shape and strong snap-back effect for great spin potential.
High-Tech additives for excellent control, durability and tension stability.
