Aerotech Ti-Fiber shafts feature a high modulus graphite core with full surface layer of micro-thin Titanium fiber. By incorporating the high strength unprecedented stability and lightweight properties of titanium, the Ti-Fiber driver shafts feature a ground-breaking new design which promises to be yet another game-changer in golf. Features: High modulus graphite core with full surface layer of micro-thin Titanium fiber High-strength Titanium creates unprecedented stability Lightweight titanium provides discretionary weight used to optimize tip stiffness Perfect match for modern oversized titanium/composite driver heads Click here for Trimming Instructions