The UltraKill family of racquetball strings features a multifilament Zyex core encapsulated with a high tenacity monofilament nylon wear surface.
UltraKill 17 is 1.25 mm in diameter with a multifilament Zyex core for a superior combination of power and resilience. The textured surface increases ball control and spin characteristics.
Specs:
Construction: Multifilament
Material: Zyex
Thickness: 17g/1.25mm
Rec. Tension: Up to 16kg (35lbs). Rec. 10-15% less tension than nylon string.
