Developed with the concept of "dynamically and powerfully hitting," this head features a design with a wide effective repulsion area. Furthermore, the use of Daido Steel's DAT55G+ allows for an ultra-thin 1.9mm face, 1mm thinner than conforming models. With a titanium-to-10x-hardness, it achieves a high-repulsion face with a coefficient of restitution exceeding 0.850, far surpassing the conforming regulation value of 0.830! This, combined with a head design where the crown and sole also contribute to repulsion, results in a powerful head. Moreover, various slice-reducing designs maximize distance, including improved ball capture, making this a high-repulsion driver packed with the latest in distance-enhancing technology. ■ Features ・Black super-hardening treatment achieves 10 times the hardness of titanium, further enhancing repulsion performance and creating a sleek, black head shape. ・World's thinnest 1.9mm face for high repulsion. Theoretically, a coefficient of restitution of 0.85 or higher! ・A design with deep, wide grooves on the back of the face creates a spring effect at impact. This results in a strong repulsion effect, pushing the ball forward even more powerfully from the sole. ・A significantly more upright 62-degree lie angle provides exceptional ball capture. ※ A 0.01 increase in the coefficient of restitution theoretically increases distance by 10 yards, so the values of this model mean a 20-yard increase. The shaft is equipped with the Mitsubishi Chemical Premier Hisho shaft. ● Mitsubishi Chemical Premier Hisho Kiwami Shaft Achieves optimal launch angle and spin rate to match the player's ability. Maximizes head speed and high distance performance; the shaft significantly accelerates the head just by swinging as usual. ※ Due to the extremely thin face, do not use if your head speed is 42 m/s or higher. --- Specifications --- (※ 46 inches) Loft Angle: 9.5 degrees / 10.5 degrees Lie Angle: 62 degrees Head Volume: 460cc Shaft: Mitsubishi Premier Hisho (Tip-Mid Flex) Flex: R / SR / S Balance: R D4 / SR D4 / S D4 Weight: R 268g / SR 270g / S 272g (±2g) ※ After purchase, please specify your desired loft angle, shaft flex, and length (41-47 inches if desired). ※ Head cover included. ※ Shipped via Yu-Pack to Hokkaido, Okinawa, and remote islands. 599