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McDermott's i-Shaft and G-Core each have their own unique core contruction to implement the triple-layer carbon fiber technology.
The G-Core's carbon fiber starts at the tip and extends through the first 7 inches of the shaft. This gives it the accuracy and power benefits of a high-performance shaft, but with the familiar feel of a traditional all-maple shaft.
Unlike the G-Core, the i-Shaft's carbon fiber starts at the ferrule and continues through the entire shaft, making it the most radial consistent shaft on the market. This minimizes the inconsistencies experienced with an all-maple shaft.
The i-Shaft also uses McDermott's Tenon Tip Technology in which the ferrule has a tenon that fits inside of the carbon fiber core.
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