Graphite Design Tour AD DI Hybrid Shaft (New Label)Heres a detailed overview of the Graphite Design Tour AD DI Hybrid Shaft its construction, performance traits, and who its for. What it is The Tour AD DI Hybrid is a premium aftermarket hybridshaft from Graphite Design, specifically designed for hybrid clubs. The DI stands for Deep Impact, referencing the profiles emphasis on stability and control in the hybrid category. Construction & Technology Built with highmodulus aerospace carbon fiber and