The KBS C-Taper .355 Stiff+ is heavier than average for steel iron shafts at 4.41 oz (125 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 .355 Stiff+ · Iron Shaft
Material: SteelFlex: Stiff+Weight class: Tour-heavy (120+ g)Flight: Low launch / Low spinTip: Taper tip
4.41 oz Weight
2.5° Torque
Stiff+ Flex
Low Launch
Material-matched benchmarks
How this shaft compares
Numeric comparisons use steel iron shafts in this database.
Low 2.42 oz
This model 4.41 oz
Average 3.88 oz
High 4.94 oz
Weight is above average among steel iron shafts in this database.
Low 1.4°
This model 2.5°
Average 2.25°
High 3°
Torque is typical among steel iron shafts with published numeric torque.
Low 50.3%
This model 51.5%
Average 51.5%
High 52.4%
Balance point is very low among comparable steel iron shafts.
At a glance
Shaft profile
Material Steel
Tip Taper tip
Launch Low
Spin Low
Stability Very stable / low-twist
Tempo fit Best suited to medium-fast or fast tempos
Overview
Model information
Manufacturer
KBS
Model
C-Taper .355 Stiff+
Category
Iron Shaft
Catalog year
2026
SKU / code
FS0026
MPF rating
4.5C1H
Full specifications
Technical details
Weight & flex
Weight 4.41 oz (125 g)
Weight class Tour-heavy (120+ g)
Flex Stiff+
Torque 2.5°
Bend point high
Kick point High
Tip stiffness stiff
Tip flex firm
Butt flex medium-firm
Balance point 51.5%
Build & dimensions
Material Steel
Tip type Taper tip
Tip diameter 0.355 in (9 mm)
Butt diameter 0.6 in (15.2 mm)
Shaft length Discrete lengths
Length range 37.5-41 in (95.2-104.1 cm)
Parallel tip length N/A — taper-tip design
Club range 2i-9i, PW, SW
Finish Satin
Flight & feel
Launch Low
Spin Low
Trajectory / spin profile Low launch / Low spin
Stability profile Very stable / low-twist
Launch assistance Trajectory-control biased; limited launch assistance
Feel profile Crisp steel feedback, very firm/stable through impact, substantial tour-weight feel
Relative weight position Above average for steel iron shafts
Relative torque position Typical for steel iron shafts
Player fit
Tempo fit Best suited to medium-fast or fast tempos
Transition fit Handles aggressive transitions well
Control vs speed bias Control / consistency biased
Long-iron playability Demanding in long irons; better for stronger ball-strikers
Short-iron control Strong short-iron and wedge control bias
Likely swing-speed fit Faster iron swings / stronger players
Target player Faster swing speeds / stronger players seeking low launch, lower spin and maximum stability
Golfer fit summary Control / consistency biased; best suited to medium-fast or fast tempos; low launch / mid spin.
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Disclaimer
The specifications shown for the KBS C-Taper .355 Stiff+ Iron Shaft are provided as a reference guide. Shaft specifications can vary by flex, tip format, production revision, trimming and installed club length. Fitting fields such as tempo fit, stability profile, swing-speed fit and playability are derived from the underlying published or researched shaft specifications and are not manufacturer fitting guarantees. Before purchasing or building a club, verify the exact shaft and flex using official KBS information and the applicable trimming instructions.