The KBS $-Taper Lt. .370 Black PVD X-Stiff is heavier than average for steel iron shafts at 4.23 oz (120 g), with 2.5° torque sitting near the middle of the group. Its mid-high launch / low-mid spin flight profile and stable / control-oriented character make it best suited to medium-fast or fast tempos.
Iron shaft specifications
KBS · $-Taper Lt. .370 Black PVD X-Stiff · Iron Shaft
Material: SteelFlex: X-StiffWeight class: Tour-heavy (120+ g)Flight: Mid-High launch / Low-Mid spinTip: Parallel tip
4.23 ozWeight
2.5°Torque
X-StiffFlex
Mid-HighLaunch
Material-matched benchmarks
How this shaft compares
Numeric comparisons use steel iron shafts in this database.
Weight
Above average
4.23 oz
Weight is above average 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
LaunchMid-High
SpinLow-Mid
StabilityStable / control-oriented
Tempo fitBest suited to medium-fast or fast tempos
Overview
Model information
| Manufacturer | KBS |
|---|---|
| Model | $-Taper Lt. .370 Black PVD X-Stiff |
| Category | Iron Shaft |
| Catalog year | 2026 |
| SKU / code | FS0063 |
| MPF rating | 5B2H |
Full specifications
Technical details
Weight & flex
Weight4.23 oz (120 g)
Weight classTour-heavy (120+ g)
FlexX-Stiff
Torque2.5°
Bend pointmid
Kick pointMid
Tip stiffnessmedium
Tip flexmedium
Butt flexfirm
Balance point51.5%
Build & dimensions
MaterialSteel
Tip typeParallel tip
Tip diameter0.37 in (9.4 mm)
Butt diameter0.6 in (15.2 mm)
Shaft length42 in (106.7 cm)
Length range42 in (106.7 cm)
Parallel tip lengthN/A — taper-tip design
Club range2i-PW, SW
FinishBlack Gloss
Flight & feel
LaunchMid-High
SpinLow-Mid
Trajectory / spin profileMid-High launch / Low-Mid spin
Stability profileStable / control-oriented
Launch assistanceNeutral launch assistance
Feel profileCrisp steel feedback, stable through impact, substantial tour-weight feel
Relative weight positionAbove average 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 playabilityNeutral long-iron playability
Short-iron controlGood short-iron control
Likely swing-speed fitFaster iron swings / stronger players
Target playerStronger players and quicker tempos seeking heavier feel, control and stability
Golfer fit summaryControl / consistency biased; best suited to medium-fast or fast tempos; mid launch / mid spin.