Head's Hawk is a co-polyester that offers excellent spin potential while also providing feel. Thanks to it's innovative Head CRYSTAL CORE technology, it combines extraordinary energy efficiency for explosive power with control and touch.  Now with the added rough texture, this string will provide even more spin than the regular Head Hawk.  The only drawback is the decreased durability due to the textured roughness.  Head Hawk is suitable for hard hitting players who play competitive tennis. and need maximum durability and control from their strings

Head Hawk Rough 17/1.25 Tennis String (Anthracite) Specs:

• Gauge: 17
• Diameter: 1.25 mm.
• Construction: Monofilament
• Composition: Co-Polyester
• Shape: Round
• Texture: Rough
• Colour: Grey
• Length: 40 ft. / 12.2 m.
• Made in Austria
• Product Code: 281126-17AN