The Luxilon Alu Power 130 12m Set combines great durability with impressive power and amazing control. The poly-ether-ether construction of the string helps to retain tension and deliver a new level of elasticity never seen before from a durability string. The Luxilon line of strings has forever changed today`s professional tennis. It allows players of all levels to take full cuts, creating generous amounts of spin without a loss of control. ALU Power is best suited to the player that prefers the baseline and takes fast, full swings looking to generate power and spin.