Mizuno Junior High School Hardball Metal Bat, Middle Balance, Low-Rebound Bat, Introgue 00 1CJMH616 miz21fw Introduction: A New Start. Introgue 00. A low-rebound bat that allows you to swing hard and hit the ball far. Easy to swing. I purchased this last year and used it several times, but have since stored it without use. There are no cracks or chips, and it can be used without any problems. Recommended for those who want to get used to low-rebound bats from now on. It will be shipped wrapped in air-cushion packaging. Size: Length/83cm Handle Material: Metal Alloy Product Weight: 800 g Maximum Diameter: Φ64mm ●Color 09: Black ●Material HS700 ●Country of Origin Made in Japan ●Balance Middle Balance (for middle hitters) The bat's balance is set in the middle. You can aim for long hits. This bat is for middle-distance hitters.