The string choice for Roger Federer, Champion's Choice Duo combines the power and feel of Wilson's Natural Gut with the durability and spin of Luxilon's ALU Power Rough.

• Hybrid of Wilson Natural Gut (16/1.30) and Luxilon ALU Power Rough (17/1.25)
• Roger Federer's string of choice
• Ideal blend of power, spin, and feel
• Gauge 17/16
• mm 1.25/1.30
• Length Set: 40 ft / 12.2 m

WRZ997900