Combines great durability with impressive power and good control, this string is used by several ATP Tour professionals. The durable and control oriented response of Luxilon ALU-Power and other Luxilon co-polyester strings has revolutionized professional tennis. By far the most popular choice on the ATP Tour, Luxilon's co-polyester monofilament construction allows a player to take full cuts at the ball without any loss of control. Players with fast swing speeds also tend to find these strings very spin friendly.