The UltraKill family of racquetball strings features a multifilament Zyex core encapsulated with a high tenacity monofilament nylon wear surface.
UltraKill 18 is 1.15 mm in diameter with a multifilament Zyex core for an ultra soft feel and superior resilience. The textured surface and this gauge maximises the ability to impart spin and cut on the ball
Specs:
Construction: Multifilament
Material: Zyex
Thickness: 18g/1.15mm
Rec. Tension: Up to 16kg (35lbs). Rec. 10-15% less tension than nylon string.
