| Flex | Weight | Torque | Launch | Tip OD | Tip Parallel | Length | |
| Helium Nanocore 4F1 | L | 43g | 6.3° | High | 0.335″ | 3.0″ | 46″ |
| Helium Nanocore 4F2 | A | 45g | 6.3° | High | 0.335″ | 3.0″ | 46″ |
| Helium Nanocore 4F3 | R | 46g | 6.3° | High | 0.335″ | 3.0″ | 46″ |
| Helium Nanocore 5F2 | A | 52g | 5.7° | High | 0.335″ | 3.0″ | 46″ |
| Helium Nanocore 5F3 | R | 55g | 5.7° | High | 0.335″ | 3.0″ | 46″ |
| Helium Nanocore 5F4 | S | 56g | 5.7° | High | 0.335″ | 3.0″ | 46″ |
UST MAMIYA HELIUM NANOCORE – Ultra High Performance lightweight golf shaft design, featuring our new Nanocore Technology for increased clubhead speed. Innovative materials and design profile stabilize shaft flexural and torsional characteristics in harmony with the ultra light weight design to optimize shaft performance and consistency with precise feel. UST MAMIYA HELIUM NANOCORE Counter balanced design reduces club heft helping golfers gain more club head speed with the same effort.