Certified spin. O-TORO is TOROLINE's best-selling string. It's a hexagonal co-poly we developed with former Top 25 ATP pro Steve Johnson for players who want to swing out and still bring the ball down inside the lines, without paying for it in their arm.
The numbers
100/100 spin rating in Racketpedia lab testing
+104% spin potential v
4.9
72 ratings
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I first found Toroline O-Toro while researching arm friendly polys. That was two years ago and after trying four other brands. Since then, I have not used any other strings. I love the O-Toro. I have not had any arm issues. I get plenty of power. (Strung on a Babolat Pure Drive 98 at 49/47lbs). The only negative is I wish there was slightly more spin, but overall I am very happy with this product! Try their over grips also - great!
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Anonymous · 22 days ago
Strung this in my Blade V10 at 48lbs the absolute best experience ever. Every shot sounded like I was in an indoor court, went exactly where I wanted it to, and the spin potential was phenomenal. Looks amazing, plays amazing, and not to mention, came with a free overgrip. I don’t think I’ll be leaving Toroline anytime soon❤️💯
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Gilbert · September 29, 2026
Personally, for me. Best string on the market. Feels amazing in my Vcore 98. Grabs the ball like no other and soft enough that my arm doesn’t fall off after every session (RIP Otoro Tour)