Project X

4.0' (4 reviews)
$48.99 USD

Project X has set the standard for steel iron shafts with its legendary feel, consistency, and control. Engineered for precision, Project X delivers a stable, penetrating ball flight with low spin and torque characteristics. Trusted by professionals and amateurs alike, this shaft empowers golfers to maximize accuracy and distance control across every club in the bag.
Flex
Tip Diameter
Length
1 / 1
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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

Flex Weight Length Tip Diameter Butt Diameter Torque
5.0
5.0 110 g 40.5in – 37in 0.355 in 0.600 in Low
5.5
5.5 115 g 41in – 37in 0.355 in 0.600 in Low
6.0
6.0 120 g 41in – 37in 0.355 in 0.600 in Low
6.5
6.5 125 g 41in – 37in 0.355 in 0.600 in Low
7.0
7.0 130 g 40.5in – 37in 0.355 in 0.600 in Low
5.05.56.06.57.0
Flex
5.0 5.5 6.0 6.5 7.0
Weight
110 g 115 g 120 g 125 g 130 g
Length
40.5in – 37in 41in – 37in 41in – 37in 41in – 37in 40.5in – 37in
Tip Diameter
0.355 in 0.355 in 0.355 in 0.355 in 0.355 in
Butt Diameter
0.600 in 0.600 in 0.600 in 0.600 in 0.600 in
Torque
Low Low Low Low Low

Trim Instructions

See our recommendations for how to trim this model.

Read Instructions

Overall rating: 4.0 / 5 from 4 reviews.

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Review highlights

Reviews

Great consistency

"These shafts are my go to out of about 7 sets of clubs. I love how consistent they are! On my blades by Mizuno they are really accurate and give me immediate feedback about both good and bad swing paths. Highly recommend!"

— Anthony (5/5)

DONT DO IT

"I have these shafts on my irons and they are the worst I've ever had in my 20 years of golf. I eventually had to just stop golfing when they became dangerous. This shaft broke at the handle and sliced my thumb open. Oh and by the way their customer service did absolutely nothing to handle the situation. I simply got no response, so now I have to resort here to help future victims."

— Austin (1/5)

Great shaft!

"I swing my 7 iron at 93 mph I opted for the 6. 5 and these have been great. These feel extremely stable and have the stout feeling I was looking for."

— Sam (5/5)

Amazing

"Lol, had these for 3 years and pure as the driven snow, send me some wedge versions of the 7. 0"

— Heinrich (5/5)

Q&A

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FAQs

Frequently Asked Questions

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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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