Mcdermott G Core Shaft - Quick Release Joint - 13mm The G-Core's Carbon fiber extends the first 7 inches of the shaft. This stabilizes the front-impact area for more control and reduces the inconsistency found in traditional maple shafts Tip: Navigator BlackMedium,10 layers Japanese pigskin leather CT Technology - Results in a stronger ferrule assembly with maximum impact properties and enhanced feedback Triple Layer Design - Wood, carbon fiber and wood, which reduces vibration and minimizes shaft distortion, thereby adding optimal control and accuracy 3/8 x 10 Joint