January 19, 2011 Callaway Diablo Octane and Diablo Octane Tour Drivers Edit Delete Tags Autopost With the help of a new material, this Callaway driver is designed for golfers who want to maximize distance. Source: http://www.golf.com/golf/equipment/article/0,28136,2022556,00.html?cid=feed-equipment-20110112-2022556dunlop golf clubs nancy lopez golf clubs golf pro school