Comfort string of the highest standard. The MSV Focus-Hex Plus cares for your arm, but not your opponent! The High-Tech-Fiber makes the Plus Variante about 25% more elastic than the standard design of the Mauve Focus-Hex. So that this Co-Polyester string is ideal for players looking for an arm friendly string and never the less want to profit from the unbelievable speed and spin potential of the Focus- Hex series. Get the MSV Focus-Hex Plus and teach your opponent to be afraid. Highlights: an arm friendly string for the highest demands. above average spin potential six sided structure and snap back effect protect against slipping. elastic High-Tech-Co-Polyester. top rating in Tennis Magazine 2013 : best price/performance ratio.