Logo New Fujikura Fuel 50 Shaft with OEM Callaway XR sleeve adapter and Golf Pride Tour Velvet 360* grip put in to be used with Callaway XR, Massive Bertha Alpha 815, and 816 Double Black Diamond. Shaft will likely be set to play on the finished duration of 45.5 inches. Professionally built fabricated from The Shaft Retailer. Customized specs to be had upon request. FUEL can also be outlined as subject material with stored energy that may later be used to generate energy. Identical to a prime efficiency engine that burns prime-octane fuel for more horsepower and torque, your shaft can carry out the similar manner Ð the usage of complex technology as its fuel. With FUEL, you’ll see where your energy is coming from thru our proprietary FUEL ROD TECHNOLOGY, created with a COMBUSTION CHAMBER and LOAD INJECTOR TIP. FUEL uniquely utilizes this technology to generate greater distance and accuracy on a more consistent foundation. With this shaft, your energy is on show for everybody to look.