ALU-Power Rough  is a textured version of Luxilon Big Banger Alu Power which is by far the most popular string on the ATP & WTA Tours, combining impressive power and control with great durability. Players using Alu Power include Gustavo Kuerten, Roger Federer, David Ferrer, Tatiana Golovin , Anna Chaketvadze and many, many others…
Alu Power’s co-polyester monofilament construction enables players to hit the ball extremely hard without sacrificing control.
An excellent choice for a fully poly string bed or as a Main string in a hybrid with a softer, possibly non poly Cross string.
 
• Gauge: 16L / 1.25mm
• Length: 12.2 metres 
• Composition: Co-polymer (nylon) + Fluocarbon resin + aluminium fibres
• Excellent durability
• Powerful with superb spin
• Excellent feel

As used by Roger Federer and Andy Murray