Heavy hitters and string breakers who want a hybrid that can offer excellent power and durability should consider Ashaway Crossfire ZX string. This pre-packaged hybrid utilizes braided Aramid (Kevlar) main strings. The Kevlar mains provide tremendous abrasion resistance, a firm crisp feel and excellent string life. The included cross strings are Monogut ZX Pro. This monofilament string is constructed with the advanced material, Zyex. Zyex’s inherently low dynamic stiffness provides gut-like power and feel with better durability and tension stability. The Zyex construction also offers better string elongation and lower stiffness than polyester and nylon offerings, improving response and feel on impact. Both strings are a 17 gauge diameter for improved feel and response while durability remains excellent due to the materials the strings are constructed with. Ashaway Crossfire ZX hybrid is an excellent option for players who want a hybrid that offers soft power, crisp playability and the maximum in string life. Construction: Mains: Braided Aramid/PTFE / Cross: Zyex monofilament Color: Mains: Gold & Black / Cross: Natural Gauge: Mains: 17G (1.25 mm) / Cross: 17G (1.22 mm) Length: Mains: 23′ (7 m) / Cross: 20′ (6.1 m) Hybrid Combination Durable Tension Stability