The Tecnifibre 305 17 Gauge SPL string uses Silicon Pyrogene Lubritec, SPL, technology reduces elongation and improves durability by 40%. Also, its micro-composite fibers provide high resiliency for increased power, while the polyurethane in the string reduces shock during ball impact. Thin gauge for excellent ball speed.

Technifibre 305 Squash String, 17 Gauge, Single Pack