Gamma Challenger Synthetic Gut is a monofilament string that delivers good durability that suits a wide range of players looking for an all-around string.

Gamma Challenger Synthetic Gut 17 Tennis String Reel (Black) Specs:

• Gauge: 17
• Diameter: 1.27 mm.
• Construction: Monofilament
• Composition:Synthetic Gut
• Shape: Round
• Colour:Black
• Length: 660 ft. / 200 m.