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.

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.

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.

FEATURES An arm-friendly multifilament string with firmer feel which provides superior resiliency and excellent power with added control and improved durability.

PLAYER PROFILE For players looking for a firmer feel multifilament string with excellent power and added control.

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.

The newest, most interesting innovation of the last years! Minimum tension loss (no string moving).
High durability and high dynamic. Excellent ball control.

Ideal for players using a stiff racquet frame and/or looking for a very comfortable and arm-friendly string with enhanced spin potential.

Softest among all MSV-Co-Polyester strings. 38 % more elastic vs. MSV Focus Hex®. High-performance co-polyester.

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.

The newest, most interesting innovation of the last years! Minimum tension loss (no string moving).
High durability and high dynamic. Excellent ball control.

GAMMA iO offers exceptional power, access to spin and pinpoint control. Its unique co-poly material takes ball pocketing to a new level, providing ideal levels of response and comfort. GAMMA iO is best suited for players with penetrating and punishing ground strokes from both sides.

1,470 high modulus polyamide (PA 66) multifilament twisted and bonded together with a soft polyurethane resin.

A high performance multifilament string which provides superior resiliency and maximum power with excellent arm friendly feel.

For players looking for a high level of playability, superior feel with maximum power.

GAMMA iO offers exceptional power, access to spin and pinpoint control. Its unique co-poly material takes ball pocketing to a new level, providing ideal levels of response and comfort. GAMMA iO is best suited for players with penetrating and punishing ground strokes from both sides.

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.