Product description the grafalloy blue hsa is a japan issued very very high quality wood shaft blues patent pending micro mesh tip technology delivers the perfect combination of tip stability and energy transfer the tip on this hsa model is softer than the normal grafalloy blue and incorporates a mid bend point flex x stiff bend point mid launch angle mid length 46 torque 4 0weight 62g tip 335 parallel butt diamater 600parallel tip 5