Exceptional Dynamic Stiffness:
Dynamic stiffness provides playability similar to natural gut

Zero Polyester:
Absence of polyester increases elongation and decreases string bed stiffness

Dynamic Spin:
Optimum spin and resilience at all swing speeds

Minimal Tension Loss:
Zyex (polyketone) maintains tension better than polyester or nylon (polyamide) strings

Usage:
Top amateur and professional players

Players looking for the power and comfort of natural gut at less than half the cost

Players that find polyester monofilaments too boardy

Stringing Tension:
Up to 60 lbs (27 kgs)

ZX Pro: use 5-10% less tension than traditional nylon strings

ZX: Use 10-15% less tension than traditional nylon strings