Crafted for power players who put a lot of strength and effort into each swing the ashaway powerkill pro racquetball string ensures layers of resilience with quality zyex fibres which also provide a higher tension with each shot this multifilament 16 gauge 130mm string features the power filament technology pft to strengthen your shot power even further plus it guarantees excellent tension maintenance throughout very long playing sessions it comes as a 12m 40ft set