The Mitsubishi Chemical Diamana RB Hy 70 .370 Stiff sits near the typical hybrid-shaft weight range at 2.79 oz (79 g), with 3.3° torque near the middle of the group. Its mid-high launch / mid spin profile and stable / control-oriented character make it best suited to medium or medium-fast tempos. Within the same product line, it comes in at the heaviest end of the related weight range with a lower-torque position.
Hybrid shaft specifications
Mitsubishi Chemical · Diamana RB Hy 70 .370 Stiff · Hybrid Shaft
Material: GraphiteFlex: StiffWeight class: Midweight (70-84.9 g)Flight: Mid-high launch / Mid spinTip: Parallel tip
2.79 ozWeight
3.3°Torque
StiffFlex
Mid-HighLaunch
Hybrid-shaft benchmarks
How this shaft compares
Numeric comparisons use hybrid shafts in this database.
Weight
Typical
2.79 oz
Weight is typical among hybrid shafts in this database.
Torque
Typical
3.3°
Torque is typical among hybrid shafts in this database.
At a glance
Shaft profile
LaunchMid-High
StabilityStable / control-oriented
Tempo fitBest suited to medium or medium-fast tempos
TipParallel tip
Utility fitGood hybrid / utility crossover fit
Overview
Model information
| Manufacturer | Mitsubishi Chemical |
|---|---|
| Model | Diamana RB Hy 70 .370 Stiff |
| Category | Hybrid Shaft |
| Catalog year | 2026 |
| SKU / code | MR0127 |
| MPF rating | 4B2M |
Full specifications
Technical details
Weight & flex
Weight2.79 oz (79 g)
Weight classMidweight (70-84.9 g)
FlexStiff
Torque3.3°
Bend pointmid
Kick pointMid
Tip stiffnessmed/soft
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 profileStable / control-oriented
Launch assistanceModerate launch assistance
Feel profileVibration-damping graphite feel, stable through impact
Relative weight positionTypical 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 biasSlightly speed biased
Fairway / rough playabilityGood launch help from fairway / rough
Utility-iron suitabilityGood hybrid / utility crossover fit
Likely swing-speed fitModerate-fast to fast hybrid swings
Golfer fit summarySlightly speed 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
FamilyMitsubishi Diamana RB Hybrid
Family positionHeaviest family option; firmest listed flex; higher-flight role
Family comparisonIt sits the heaviest option in the family and the lowest-torque, firmest-twist option in the family. It is heavier than Diamana RB Hy 70 .370 R.
Why choose this variantChoose this middle-of-family variant for a more balanced blend of speed, launch and stability.