Luxilon Alu power. Pro Tour professionals first choice? `The tennis string , which makes players winners. The Big Banger Alu Power gives a full parcel of performance and accuracy to every stroke. The string produces a good spin and retains tension very well without loss of performance. At the same time it is extremely tear proof thanks aluminium strengthening. It is unmatched in playability and stability and therefore correctly considered one of the best Tour tennis strings among champions. Excellent strength and control in every stroke. Make sure of your Premium string! Highlights: The first choice of Pro Tour professionals. Strong performance and resistant (Co-) Polyester and aluminium Monofil string. Extremely snap resistant due to the incorporated Aluminium fibers.