SK Fiber Hypersonic 0.370-inch graphite iron shaft, ideal replacement for consistent ball flight.
SK Fiber Hypersonic graphite shaft with black finish, reliable mid-high launch.
SK Fiber Hypersonic 0.370-inch shaft, 41-inch length, friendly for repairs.

SK Fiber

SK Fiber Hypersonic 0.370-inch Black Graphite Shaft for Irons – Regular/Stiff Flex – Men

High-performance golf made for confident daily results

$35.81

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Why customers choose Golfavero

Overview

The SK Fiber Hypersonic 0.370-inch graphite shaft is designed to bring a balanced blend of speed, feel, and consistency to iron play. This is a raw, uncut shaft and does not include a shaft adapter or grip, giving you a clean starting point to tailor hardware to your setup. When you pair a chosen grip and compatible adapter, you can tune weight distribution and balance to suit your swing tempo and preferred ball flight. For shops and players exploring options, this shaft offers a flexible foundation without committing to a full replacement kit.

Constructed from high-modulus graphite, the shaft features a 0.370-inch tip diameter, a 5.9-inch parallel section, and a 0.600-inch butt diameter. It measures 41 inches in length with a torque of 3.4 degrees and weighs about 68 grams. The result is a light, responsive feel that can help you maintain rhythm through the swing while delivering a stable impact experience.

Key specifications

  • Tip diameter: 0.370 inch
  • Parallel tip section: 5.9 inches
  • Butt diameter: 0.600 inch
  • Length: 41 inches
  • Torque: 3.4 degrees
  • Weight: 68 grams
  • Ball flight: mid-high launch

In practice, this shaft serves as a reliable replacement option for irons or as a ready-to-tap stock for repair shops. Its light weight and balanced profile offer a practical path for players seeking a responsive feel without committing to a full equipment overhaul.

On-course potential and repair versatility

  • Suitable as a replacement shaft for irons showing wear or damage
  • Stock option for club repair inventories and client fittings
  • Regular to stiff combination flex (for men) provides flexible options for different swing speeds

Warranty: One-year manufacturer’s warranty is included, providing coverage for manufacturing defects when used as intended.

FAQ

Q: What irons are compatible with these SK Fiber Hypersonic shafts?

A: These shafts use a 0.370-inch tip and fit irons designed for that bore; ensure proper adapter and grip are installed by a club professional.

Q: What flex options are available and how should I choose?

A: Regular/Stiff combination flex is offered for men; select based on swing speed and feel, or get a professional fitting.

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