VRTX is our premiere custom fitting only line that offers unique products born from decades worth of Club Fitter knowledge and R&D. VRTX iron is filament wound shaft offered in 3 weight models with a progressive CPM increase and no flex designation—giving the fitter full control over the fitting process. Filament winding is a visible technology that creates a near seamless shaft allowing for maximum consistency from shaft to shaft.

Flex
Weight
Tip Diameter
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Features

Spin

Spin is the amount of backspin that the ball has. The designs of certain golf shafts can promote more or less spin so keep this in mind when looking for a shaft to maximize your game.

Tempo

Tempo is not how fast you swing it, it is how you swing it fast. Tempo will affect how you load and unload the shaft and is a big factor in which shaft will best suit you. A player with a quicker backswing and more aggressive transition will have a faster tempo, while a player with a slower backswing and smoother transition will have a more deliberate tempo.

Trajectory

Trajectory is the flight of the ball and the peak height that the ball reaches. A player who struggles with getting the ball in the air should look towards a higher trajectory shaft, while a player who struggles hitting the ball too high should look for a lower trajectory shaft.

Specifications

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Flex Weight Length Tip Diameter Butt Diameter Torque
Senior
Senior 64 g 41in 0.37 in 0.595 in 5.6
Regular
Regular 72 g 41in 0.37 in 0.600 in 3.4
Stiff
Stiff 82 g 41in 0.37 in 0.600 in 3.3
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SeniorRegularStiff
Flex
Senior Regular Stiff
Weight
64 g 72 g 82 g
Length
41in 41in 41in
Tip Diameter
0.37 in 0.37 in 0.37 in
Butt Diameter
0.595 in 0.600 in 0.600 in
Torque
5.6 3.4 3.3

Trim Instructions

See our recommendations for how to trim this model.

FAQs

Frequently Asked Questions

1. What makes Project X shafts unique?

Project X shafts are designed with a frequency-based loading system, delivering a stable, consistent feel throughout the swing. They are built for players who want tight dispersion, spin control, and a consistent ball flight.

2. What are the differences between Project X, LZ, and PX Red?

Project X (Original): Firm, stable profile for aggressive players.

Project X LZ (Loading Zone): Softer midsection for increased energy transfer and feel.

Project X Red: Same Project X Steel DNA, is a higher launch and higher spin profile. 

3. Who should use Project X iron shafts?

Project X iron shafts are best for golfers with fast swing speeds and aggressive transitions who want to reduce spin and maintain control under pressure.

4. What is Project X HZRDUS known for in driver shafts? 

HZRDUS is known for low torque, low spin, and tour-level stability, making it a top choice for players looking to maximize distance while controlling launch and dispersion.

5. Are Project X shafts only for elite players?

While widely used on tour, Project X offers multiple profiles and flex options, making them suitable for a wide range of golfers, especially those looking to improve consistency and control.

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