Has anybody used them? Lots of decent playes use or used them: Juan Viloca (former top50 player), Juan Balcells (former top-60), Thiago Alves, Alexander Kudryavtsev, Adrian Garcia, Tobias Kamke, Adrian Cruciat, Thomas Oger, Max Abel, Alex Sidorenko, David Marrero, Alex Slabinsky, M. Matosevic, Roman Borvanov, Pierre Ludovic-Duclos and many others...
I was offered a contract, as I have got good ranking in TE U-16 (I`m near top 300) and also in Russia. However the contract isn`t completely free as it only offers large discount on strings. So decided to try it. Though, I still haven`t played with them.

I was adviced to use Poly Deluxe strings, as its similar to Babolat pro hurricane tour strings. What do you think about these strings?