SK Fiber Hypersonic 0.370-inch Black Graphite Golf Shaft for Irons – Ladies & Senior Flex

Overview

The SK Fiber Hypersonic 0.370-inch graphite shaft offers a lightweight, responsive option for iron players who value consistency and customization. This raw, uncut shaft is designed to be paired with your preferred clubhead and grip, giving you flexibility to tailor the setup to your swing. Its sleek black graphite finish adds a modern feel to a practical replacement shaft, ready to be cut, tuned, and installed by your preferred fitter.

Whether you’re updating an aging set, stocking a repair cart, or crafting a dedicated iron for women or senior players, this shaft provides a balanced blend of control and feel. The Hypersonic design aims for a mid-high launch that supports solid carry and accurate shot shaping without a heavy, overpowering profile. While individual results vary, many players notice a lighter swing weight that can help with tempo and repeatability over a round.

Who it’s for

Designed with seniors and women in mind, as well as golfers looking for a practical replacement or repair part. It’s a versatile choice for shops and players who want to keep irons in service with a reliable, customizable graphite option.

Key specifications

• Shaft diameter: 0.370 inch
• Parallel tip section length: 5.9 inches
• Butt diameter: 0.590 inch
• Overall length: 41 inches
• Torque: 3.4 degrees
• Weight: 66 grams
• Ball flight: Mid-to-high launch angle
• Includes: raw, uncut shaft; does not include a shaft adapter or grip
• Warranty: 1-year manufacturer’s warranty

Real-world use and benefits

• Great replacement option for seniors or women seeking a lighter, controllable iron shaft.
• Useful as stock for golf club repair and refurbishment projects in shops or at home.
• Length and weight are conducive to a balanced swing rhythm, with a mid-high launch for versatile shot making.
• Compatible with a variety of iron heads once paired with the appropriate adapter and grip (sold separately).

With a one-year warranty, this shaft is a practical, upgrade-friendly choice for players who want to refresh their irons without committing to a complete new set. Consider it as a flexible component in a DIY build or a ready-made option for professional fitting.