griffgolf
Head Pro
Does anyone know what the difference is between the 6.0 stiff flex and the 6.5 X-stiff flex " Hzrdus Black 75 " driver shafts as when looking at the specs the weights, torque etc are all the same? Here is a link to the specs and they are the same for both shafts HZRDUS Black - Project X (truetemper.com)