The KBS C-Taper .370 Stiff sits at the heavy end of steel iron shafts at 4.76 oz (135 g), with 2.5° torque sitting near the middle of the group. Its low launch / low spin flight profile and very stable / low-twist character make it best suited to medium-fast or fast tempos.
Iron shaft specifications
KBS · C-Taper .370 Stiff · Iron Shaft
Material: SteelFlex: StiffWeight class: Tour-heavy (120+ g)Flight: Low launch / Low spinTip: Parallel tip
4.76 ozWeight
2.5°Torque
StiffFlex
LowLaunch
Material-matched benchmarks
How this shaft compares
Numeric comparisons use steel iron shafts in this database.
Weight
Very high
4.76 oz
Weight is very high among steel iron shafts in this database.
Torque
Typical
2.5°
Torque is typical among steel iron shafts with published numeric torque.
Balance point
Very low
51.5%
Balance point is very low among comparable steel iron shafts.
At a glance
Shaft profile
MaterialSteel
TipParallel tip
LaunchLow
SpinLow
StabilityVery stable / low-twist
Tempo fitBest suited to medium-fast or fast tempos
Overview
Model information
| Manufacturer | KBS |
|---|---|
| Model | C-Taper .370 Stiff |
| Category | Iron Shaft |
| Catalog year | 2026 |
| SKU / code | FS0027 |
| MPF rating | 4C1H |
Full specifications
Technical details
Weight & flex
Weight4.76 oz (135 g)
Weight classTour-heavy (120+ g)
FlexStiff
Torque2.5°
Bend pointhigh
Kick pointHigh
Tip stiffnessstiff
Tip flexfirm
Butt flexmedium-firm
Balance point51.5%
Build & dimensions
MaterialSteel
Tip typeParallel tip
Tip diameter0.37 in (9.4 mm)
Butt diameter0.6 in (15.2 mm)
Shaft length43 in (109.2 cm)
Length range43 in (109.2 cm)
Parallel tip lengthN/A — taper-tip design
Club range2i-9i, PW, SW
FinishSatin
Flight & feel
LaunchLow
SpinLow
Trajectory / spin profileLow launch / Low spin
Stability profileVery stable / low-twist
Launch assistanceTrajectory-control biased; limited launch assistance
Feel profileCrisp steel feedback, very firm/stable through impact, substantial tour-weight feel
Relative weight positionVery high for steel iron shafts
Relative torque positionTypical for steel iron shafts
Player fit
Tempo fitBest suited to medium-fast or fast tempos
Transition fitHandles aggressive transitions well
Control vs speed biasControl / consistency biased
Long-iron playabilityDemanding in long irons; better for stronger ball-strikers
Short-iron controlStrong short-iron and wedge control bias
Likely swing-speed fitFaster iron swings / stronger players
Target playerFaster swing speeds / stronger players seeking low launch, lower spin and maximum stability
Golfer fit summaryControl / consistency biased; best suited to medium-fast or fast tempos; low launch / mid spin.