Wilson Champions Choice Duo Tennis String Set

Combination of Wilson Natural Gut and Luxilon Alu Power Rough.

• This hybrid combination is being used by many top professionals including Roger Federer.
• World's most popular poly and premium natural gut = fastest growing hybrid on tour.
• Alu Power Rough with textured polyester offers maximum control and spin.
• Natural gut is the ultimate for power and feel.
• Gauge: Alu Power Rough (16L, 1.25mm); Natural Gut (16, 1.30mm)
  

The Federer method of restring is Natural Gut (mains) and Alu Power Rough (crosses).

The alternative restring method is the Alu Power Rough (mains) and Natural Gut (crosses), which makes the restring more durable.