Tour Edge Men's Exotics CB4 Driver The CB4 Tour is guaranteed longer than your current driver CB4 features a classic shape, a deep face, and a more penetrating trajectory preferred by better players. The club has a four piece, 440cc titanium head that features a ultra-thin crown and cupped face that give it a lower center of gravity, impressive feel, and an extremely low spin rate that prevents a ballooning trajectory for faster swingers. The CB4 is constructed from a brand new 5-1-1-1 titanium material. This new titanium is harder, denser, and stronger than 6-4 Ti The 15-1-1-1 titanium has better elongation properties for thinner walls and exceptional rebound. Lifetime warranty and 30-day play guarantee.