The Mitsubishi Chemical Diamana TB Series 70 Stiff wood shaft weighs 2.61 oz (74 g) with 3.4° torque and is tuned for a mid launch / mid spin flight. For this particular weight/flex combination, it sits at the heavier side of its weight range and the lowest-torque end. Choose this variant when stability, control and a more substantial feel matter more than easy speed.
Wood shaft specifications
Mitsubishi Chemical · Diamana TB Series 70 Stiff · Wood Shaft
Material: GraphiteFlex: StiffWeight class: Midweight (65-74.9 g)Flight: Mid launch / Mid spinUse: Driver / fairway wood
2.61 ozWeight
3.4°Torque
StiffFlex
midLaunch
Wood-shaft benchmarks
How this shaft compares
Numeric comparisons use wood shafts in this database.
Weight
Above average
2.61 oz
Weight is above average among wood shafts in this database.
Torque
Typical
3.4°
Torque is typical among wood shafts in this database.
At a glance
Shaft profile
Launchmid
StabilityStable / control-oriented
TempoMedium to medium-fast tempos
UseDriver / fairway wood
BiasBalanced speed and control
Overview
Model information
| Manufacturer | Mitsubishi Chemical |
|---|---|
| Model | Diamana TB Series 70 Stiff |
| Category | Wood Shaft |
| Primary use | Driver / fairway wood |
| Catalog year | 2026 |
| SKU / code | MR0093 |
| MPF rating | 4B1M |
Full specifications
Technical details
Weight & flex
Weight2.61 oz (74 g)
Weight classMidweight (65-74.9 g)
FlexStiff
Torque3.4°
Bend pointmid/high
Kick pointMid/High
Tip stiffnessfirm
Build & dimensions
MaterialGraphite
Tip diameter0.335 in (8.5 mm)
Driver tip trim0 in
Flight & feel
Launchmid
Trajectory / spinMid launch / Mid spin
StabilityStable / control-oriented
Launch assistanceNeutral launch
FeelStable graphite feel with controlled loading
Relative weightAbove average among wood shafts
Relative torqueTypical among wood shafts
Player fit
Tempo fitMedium to medium-fast tempos
Transition fitModerate to firm transitions
Speed vs controlBalanced speed and control
Driver playabilityStable driver profile
Fairway-wood playabilityStrong fairway-wood crossover
Golfer fit summaryBalanced speed and control; medium to medium-fast tempos; mid launch / mid spin.
Related variants
How this version fits the lineup
Sibling comparisons use models from the same product line in this database.
Variant context
Product lineMitsubishi Chemical Diamana TB Series
Position in lineupheavier side; middle flex range; mid launch / mid spin
Closest-version comparisonThis version sits at the heavier side of the range and on the lowest-torque end. It is heavier than Diamana TB Series 60 Tour X and lighter than Diamana TB Series 70 Tour X.
Why choose this variantChoose this variant when stability, control and a more substantial feel matter more than easy speed.