The Rapport Core Blue Ir .370 Stiff is heavier than average for graphite iron shafts at 3 oz (85 g), with 3.4° torque sitting near the middle of the group. Its mid launch / mid spin flight profile and stable / control-oriented character make it best suited to medium or medium-fast tempos.
Iron shaft specifications
Rapport · Core Blue Ir .370 Stiff · Iron Shaft
Material: GraphiteFlex: StiffWeight class: Mid-light (80-99.9 g)Flight: Mid launch / Mid spinTip: Parallel tip
3 ozWeight
3.4°Torque
StiffFlex
MidLaunch
Material-matched benchmarks
How this shaft compares
Numeric comparisons use graphite iron shafts in this database.
Weight
Above average
3 oz
Weight is above average among graphite iron shafts in this database.
Torque
Typical
3.4°
Torque is typical among graphite iron shafts with published numeric torque.
Balance point
Very low
50.5%
Balance point is very low among comparable graphite iron shafts.
At a glance
Shaft profile
MaterialGraphite
TipParallel tip
LaunchMid
SpinMid
StabilityStable / control-oriented
Tempo fitBest suited to medium or medium-fast tempos
Overview
Model information
| Manufacturer | Rapport |
|---|---|
| Model | Core Blue Ir .370 Stiff |
| Category | Iron Shaft |
| Catalog year | 2026 |
| SKU / code | VA0007 |
| MPF rating | 4B2M |
Full specifications
Technical details
Weight & flex
Weight3 oz (85 g)
Weight classMid-light (80-99.9 g)
FlexStiff
Torque3.4°
Bend pointmid/high
Kick pointHigh
Tip stiffnessmed/firm
Tip flexfirm
Butt flexmedium-firm
Balance point50.5%
Build & dimensions
MaterialGraphite
Tip typeParallel tip
Tip diameter0.37 in (9.4 mm)
Butt diameter0.6 in (15.2 mm)
Shaft length41 in (104.1 cm)
Length rangeDiscrete / single-length blank
Parallel tip length6 in (15.2 cm)
Club rangeIrons, typically 3i-PW (trimmed from parallel blank)
FinishPainted composite / graphite finish (varies by model) (family-based)
Flight & feel
LaunchMid
SpinMid
Trajectory / spin profileMid launch / Mid spin
Stability profileStable / control-oriented
Launch assistanceNeutral launch assistance
Feel profileVibration-damping graphite feel, stable through impact
Relative weight positionAbove average for graphite iron shafts
Relative torque positionTypical for graphite iron 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
Long-iron playabilityGood long-iron playability
Short-iron controlBalanced short-iron feel and control
Likely swing-speed fitModerate-fast to fast iron swings
Target playerModerate swing speeds seeking lighter weight with balanced launch and control
Golfer fit summarySlightly speed biased; best suited to medium or medium-fast tempos; mid launch / mid spin.