Luxilon Alu Power 125 string is the most used string on the Pro Tour, & is a Poly-ether-ether material mixed with aluminium fibres to provide a stiff, powerful & responsive string. This Luxilon string is designed for players who want a superior combination of power & control, & want extra pop off their strings.A 220m Reel will string on average up to 20 rackets, & can represent a saving of up to 50% compared to buying single sets.