Clubmaker friendly
Designed to handle a wide range of custom build options.
A versatile graphite iron shaft for every kind of club build
Grafalloy · Golf ShaftsThe Grafalloy ProCustom graphite iron shaft is made for clubmakers, with the flexibility to fit almost any build. At 43" raw length with a .370" tip, it gives plenty of room for trimming, and it comes in Ladies/Amateur and Regular/Stiff profiles.

Why golfers choose it
Designed to handle a wide range of custom build options.
A 43" raw length leaves room for long builds and tip trimming.
An affordable graphite option for full sets and rebuilds.
Product details
| Brand | Grafalloy |
|---|---|
| Model | ProCustom Iron |
| Product type | Graphite iron shaft |
| Tip diameter | 0.370" |
| Weight | 70g class (74g L/A, 77g R/S actual) |
| Flexes | Ladies/Amateur, Regular/Stiff (dual-flex, set by trimming) |
| Raw length | 43" |
| Butt diameter | 0.590" |
| Torque | 4.1 (L/A) / 3.9 (R/S) |
Each ProCustom shaft covers two flexes; the final flex depends on how much is trimmed from the tip. If you're not sure how to trim for your target flex, we can build it for you.
Product questions
Grater Golf support
Tell us your swing speed, current shafts and club heads, and we’ll help you choose the right weight, flex and build.
Ask Grater GolfFree standard shipping on most orders $100+ within the contiguous U.S. Eligible items may be returned within 30 days. Custom, modified, cut, installed, and made-to-order products may be final sale.