The Fujikura Fuji Pro Blue HB 70 .370 Stiff is lighter than average for hybrid shafts at 2.57 oz (73 g), with 3.2° torque near the middle of the group. Its mid-high launch / mid spin profile and very stable / low-twist character make it best suited to medium or medium-fast tempos. Compared with its closest siblings, this version sits on the heavier side of the related weight range and a lower-torque position.
Hybrid shaft specifications
Fujikura · Fuji Pro Blue HB 70 .370 Stiff · Hybrid Shaft
Material: GraphiteFlex: StiffWeight class: Midweight (70-84.9 g)Flight: Mid-high launch / Mid spinTip: Parallel tip
2.57 ozWeight
3.2°Torque
StiffFlex
Mid-HighLaunch
Hybrid-shaft benchmarks
How this shaft compares
Numeric comparisons use hybrid shafts in this database.
Low1.41 oz
This model2.57 oz
Average2.79 oz
High3.84 oz
Weight is below average among hybrid shafts in this database.
Low2°
This model3.2°
Average3.15°
High5°
Torque is typical among hybrid shafts in this database.
At a glance
Shaft profile
LaunchMid-High
StabilityVery stable / low-twist
Tempo fitBest suited to medium or medium-fast tempos
TipParallel tip
Utility fitMore hybrid-oriented than utility-iron oriented
Overview
Model information
| Manufacturer |
Fujikura |
| Model |
Fuji Pro Blue HB 70 .370 Stiff |
| Category |
Hybrid Shaft |
| Catalog year |
2026 |
| SKU / code |
FK0121 |
| MPF rating |
4B2M |
Full specifications
Technical details
Weight & flex
Weight2.57 oz (73 g)
Weight classMidweight (70-84.9 g)
FlexStiff
Torque3.2°
Bend pointlow/mid
Kick pointLow/Mid
Tip stiffnessstiff
Build & dimensions
MaterialGraphite
Tip typeParallel tip
Tip diameter0.37 in (9.4 mm)
Club useHybrid / utility
Flight & feel
LaunchMid-High
Trajectory / spin profileMid-high launch / Mid spin
Stability profileVery stable / low-twist
Launch assistanceModerate launch assistance
Feel profileVibration-damping graphite feel, very firm/stable through impact
Relative weight positionBelow average among hybrid shafts
Relative torque positionTypical among hybrid shafts
Player fit
Tempo fitBest suited to medium or medium-fast tempos
Transition fitSuited to moderate-to-firm transitions
Control vs speed biasSpeed / ease-of-swing biased
Fairway / rough playabilityGood launch help from fairway / rough
Utility-iron suitabilityMore hybrid-oriented than utility-iron oriented
Likely swing-speed fitModerate-fast to fast hybrid swings
Golfer fit summarySpeed / ease-of-swing biased; best suited to medium or medium-fast tempos; mid-high launch / mid spin.
Same-family context
How this variant fits the family
Sibling comparisons use shafts from the same product family in this database.
Variant context
FamilyFujikura Fuji Pro Blue Hybrid
Family positionHeavier family option; mid-range flex; higher-flight role
Family comparisonIt sits on the heavier side of the family and on the lower-torque side of the family. It is heavier than Fuji Pro Blue HB 70 .370 R and lighter than Fuji Pro Blue HB 80 .370 S.
Why choose this variantChoose this middle-of-family variant for a more balanced blend of speed, launch and stability.