Crafted for power players who put a lot of strength & effort into each swing, the Ashaway Power Kill Pro Racquetball string ensures layers of resilience with quality Zyex® fibres which also provide a higher tension with each shot. This multifilament 16 gauge (1.30mm) 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.