Building on the massive success of the ST-Z and ST-X Drivers comes the new Mizuno ST-G Driver. With an all-new SAT2041 Beta Ti face (SAT- Super Alloy Titanium) and complex carbon construction that has been meticulously designed as only this elite Japanese golf company know how. The result is 17% more tensile strength and 8% more flexibility over traditional 6-4Ti. This gives potent ball speeds combined with a very satisfying feeling at impact. The new ST-G Driver is capable of massive adjustability for super-precise fitting to every golfer\'s needs.