Solinco Tour Bite 4-Sided Poly Tennis Racquet Strings are the best choice for the pro or advanced player looking for greater control, massive spin potential, and durability in their choice of strings. They are often used as one half of a hybrid setup, generally with a softer string like a multifilament in order to increase playability without sacrificing too much durability.Length: 40 feet / 12.2 metersComposition: Co-polyester MonofilamentDurability: 8 out of 10Spin: 9 out of 10Playability: 7 out of 10Power: 6 out of 10Comfort: 6 out of 10

Solinco Tour Bite 4-Sided Poly (Polyester) 17 Gauge / 1.20mm Tennis Racquet String Sets 2-Pack (2 Sets Per Order) - Best for Spin, Control, and Durability