Miyazaki Shaft for Driver - Shaft: Miyazaki Kaula Mizu 5SR - Grip: Iomic - Length: 44.3 inches (112.6 cm) - Sleeve: Callaway - The following is quoted from Google AI: The Miyazaki Kaula MIZU (Water) shaft is characterized by its straightforward behavior and ease of swinging. While it has a mid-kick point, the flex (viscosity) in the middle section is strong, making it easy for the head to return, and is popular with those who want to swing automatically and golfers who prioritize direction. It also provides good distance, and receives high praise such as "easy to handle without quirks" and "feels good to swing." It is also adopted as a genuine shaft for XXIO and SRIXON, and is a shaft supported by a wide range of players from beginners to intermediate players.