Tour AD IZ The Tour AD IZ is designed to promote high launch angles and low ball spin rates. Features: Carbon-fiber materials IZ4 promotes high launch angles with low/mid ball spin rates IZ5-8 promotes high launch angles with low ball spin rates TORAYCA ® T1100G carbon-fiber pre-preg with NANOALLOY ® technology in the tip provides stability, ball control Parallel.335" tip diameter Shaft Specs # Flex Weight (g) Torque (*) Butt Dia (") Tip Dia (") Length (") Ball Flight Parallel Tip (") IZ4 R2 46