Project X HZRDUS Black Gen4 80 Graphite Hybrid Shaft Tip Size: .370 Parallel Weight: (5.5 Flex - 77), (6.0 Flex - 79g), (6.5 Flex - 81g) Raw Length: 42" Launch: Low Now available in a hybrid profile. New look, new tech, trusted HZRDUS performance. Introducing HZRDUS Black Gen 4, our flagship product, and the most advanced HZRDUS yet. Utilizing a new Dual Torsional Design throughout the shaft, HZRDUS Black Gen 4 creates optimized torques and maximum stability while featuring the classic HZRDUS Black profile refined for the modern-day golfer. The stiff butt and midsection best suits stronger swingers.