10 Best Iron Shafts 2025 in the United States

The Project X LZ 6.0 Stiff Flex Steel Iron Shaft is a solid choice for golfers seeking a mid-launch steel shaft with a stiff flex. It's made of durable steel, which is known for providing stability and control. Weighing 120 grams, this shaft strikes a good balance between heft and maneuverability, making it suitable for players who prefer a firmer feel during swings.

The .355 taper tip design allows for a precise fit with matching club heads, enhancing the performance and feel of the iron set. The 38.5-inch length is standard for a 6-iron, catering to a wide range of golfers in terms of height and swing style. The mid-launch characteristic is ideal for players looking to achieve a moderate ball flight, offering a good mix of distance and control.

One potential drawback is that the stiff flex might not be suitable for players with slower swing speeds, as it requires a stronger swing to maximize performance. This shaft is well-suited for intermediate to advanced golfers who appreciate a stiff, mid-launch shaft and can benefit from the stability and control it provides.

The Project X IO Steel Iron Shafts set includes 7 shafts ranging from 4 iron to pitching wedge (4-PW). These shafts are made from steel, which is known for its durability and consistency. The set comes with a stiff flex option (6.0), making it suitable for golfers with faster swing speeds who seek more control and lower ball flight.

The raw lengths of these shafts vary from 39.5 inches to 36.5 inches, catering well to different club lengths in the set. The .355 taper tip size is a common specification, ensuring compatibility with many club heads. One of the notable features is the ability to choose the flex that best suits your gameplay, although this specific set is offered in stiff flex only.

Suitable for intermediate to advanced golfers, particularly those looking for performance-driven, consistent shafts to enhance their game.

The KBS New Tour Steel Iron Shafts with a stiff flex are primarily designed for experienced golfers with a faster swing speed. Made from alloy steel, these shafts offer durability and a solid feel. The use of premium steel is a major plus for providing consistent performance, while the stiff flex ensures control and precision for strong hitters. However, these shafts might not be the best fit for casual or beginner golfers who may struggle with the rigidity and control required to maximize their potential.

The standard Cobra/Puma grip made of rubber or synthetic rubber provides a comfortable hold, although some users might prefer a custom grip based on personal preference. The weight of 1 kilogram and dimensions of 40.5 x 3.5 x 0.5 inches suggest a well-balanced product. Available in silver and black, these shafts aesthetically fit a variety of club designs.

In summary, the KBS New Tour Steel Iron Shafts are a robust choice for skilled golfers looking for reliability and precision, yet might be too advanced for those new to the sport.