Filament wound
A visible winding process creates a near seamless shaft, aiming for tight consistency from one shaft to the next.
Filament-wound graphite iron shafts reserved for custom fitting
Project X · Golf ShaftsVRTX Iron is the graphite iron shaft in Project X's premier fitting-only VRTX line, shaped by decades of club fitter knowledge and R&D. Each shaft is filament wound, creating a near seamless construction for strong shaft-to-shaft consistency. Three weight models step up in CPM progressively, giving the fitter full control. Contact Grater Golf for availability and pricing.

Why golfers choose it
A visible winding process creates a near seamless shaft, aiming for tight consistency from one shaft to the next.
Three weight models with a progressive CPM increase let the fitter select stiffness by weight.
Part of the custom fitting only VRTX line, offered through authorized fitters.
Product details
| Brand | Project X |
|---|---|
| Model | VRTX Iron |
| Product type | Graphite iron shaft |
| Tip diameter | 0.370 in |
| Models | 60, 70, 80 g classes (64, 72, 82 g) |
| Raw length | 41 in |
| Butt diameter | 0.595 to 0.600 in |
| Torque | 3.3 to 5.6 |
The three models weigh 64, 72 and 82 grams, with torque dropping from 5.6 in the lightest to 3.3 in the heaviest. Because this is a fitter-exclusive line, contact Grater Golf for availability and pricing and to discuss which weight suits your swing.
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.