The Nippon Shaft Nippon Zelos 7 Stiff sits at the very light end of steel iron shafts at 2.73 oz (77.5 g), while its 2.8° torque is on the higher side. Its high launch / mid-high spin flight profile and stable / control-oriented character make it best suited to medium or medium-fast tempos.
Iron shaft specifications
Nippon Shaft · Nippon Zelos 7 Stiff · Iron Shaft
Material: SteelFlex: StiffWeight class: Lightweight (60-79.9 g)Flight: High launch / Mid-high spinTip: Taper tip
2.73 ozWeight
2.8°Torque
StiffFlex
HighLaunch
Material-matched benchmarks
How this shaft compares
Numeric comparisons use steel iron shafts in this database.
Weight
Very low
2.73 oz
Weight is very low among steel iron shafts in this database.
Torque
Very high
2.8°
Torque is very high 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
TipTaper tip
LaunchHigh
SpinMid-High
StabilityStable / control-oriented
Tempo fitBest suited to medium or medium-fast tempos
Overview
Model information
| Manufacturer | Nippon Shaft |
|---|---|
| Model | Nippon Zelos 7 Stiff |
| Category | Iron Shaft |
| Catalog year | 2026 |
| SKU / code | NP0013 / NP0014 |
| MPF rating | 4B3H |
Full specifications
Technical details
Weight & flex
Weight2.73 oz (77.5 g)
Weight classLightweight (60-79.9 g)
FlexStiff
Torque2.8°
Bend pointlow
Kick pointLow / tip
Tip stiffnesssoft
Tip flexsoft
Butt flexmedium-firm
Balance point51.5%
Build & dimensions
MaterialSteel
Tip typeTaper tip
Tip diameter0.355 in (9 mm)
Butt diameter0.6 in (15.2 mm)
Shaft lengthVaries by club
Length range41.0-37.0 (derived discrete set) in (104.1-94 (derived discrete set) cm)
Parallel tip lengthN/A — taper-tip design
Club rangeIron set, typically 2i/3i-PW
FinishChrome / polished steel (family-based)
Flight & feel
LaunchHigh
SpinMid-High
Trajectory / spin profileHigh launch / Mid-high spin
Stability profileStable / control-oriented
Launch assistanceStrong launch assistance
Feel profileCrisp steel feedback, stable through impact, light in the hands
Relative weight positionVery low for steel iron shafts
Relative torque positionVery high for steel iron shafts
Player fit
Tempo fitBest suited to medium or medium-fast tempos
Transition fitSuited to moderate-to-firm transitions
Control vs speed biasSpeed / ease-of-swing biased
Long-iron playabilityVery friendly in long irons; lighter weight and/or launch help
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 summarySpeed / ease-of-swing biased; best suited to medium or medium-fast tempos; high launch / mid-high spin.