The Maltby MPF Pro Series+ .370 Regular is lighter than average for graphite iron shafts at 2.47 oz (70 g), with 4° torque sitting near the middle of the group. Its mid-high launch / mid spin flight profile and responsive / higher-torque character make it friendly to smooth or moderate tempos.
Iron shaft specifications
Maltby · MPF Pro Series+ .370 Regular · Iron Shaft
Material: GraphiteFlex: RegularWeight class: Lightweight (60-79.9 g)Flight: Mid-high launch / Mid spinTip: Parallel tip
2.47 ozWeight
4°Torque
RegularFlex
Mid-HighLaunch
Material-matched benchmarks
How this shaft compares
Numeric comparisons use graphite iron shafts in this database.
Weight
Below average
2.47 oz
Weight is below average among graphite iron shafts in this database.
Torque
Typical
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-High
SpinMid
StabilityResponsive / higher-torque
Tempo fitFriendly to smooth or moderate tempos
Overview
Model information
| Manufacturer | Maltby |
|---|---|
| Model | MPF Pro Series+ .370 Regular |
| Category | Iron Shaft |
| Catalog year | 2026 |
| SKU / code | MA0404 |
| MPF rating | 3B3M |
Full specifications
Technical details
Weight & flex
Weight2.47 oz (70 g)
Weight classLightweight (60-79.9 g)
FlexRegular
Torque4°
Bend pointlow/mid
Kick pointLow / tip
Tip stiffnessmedium
Tip flexmedium
Butt flexmedium
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 rangeSingle-length blank; tip-trim by club
Parallel tip length5.5 in (14 cm)
Club rangeIrons, typically 3i-PW (trimmed from parallel blank)
FinishPainted composite / graphite finish (varies by model) (family-based)
Flight & feel
LaunchMid-High
SpinMid
Trajectory / spin profileMid-high launch / Mid spin
Stability profileResponsive / higher-torque
Launch assistanceModerate launch assistance
Feel profileVibration-damping graphite feel, more responsive loading, light in the hands
Relative weight positionBelow average for graphite iron shafts
Relative torque positionTypical for graphite iron shafts
Player fit
Tempo fitFriendly to smooth or moderate tempos
Transition fitBest with smooth-to-moderate 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 iron swings
Target playerModerate swing speeds seeking lighter weight with balanced launch and control
Golfer fit summarySpeed / ease-of-swing biased; friendly to smooth or moderate tempos; mid-high launch / mid spin.