Intense spin from vertical polishing, delivering class-exceeding power to junior high school hardball. HS700: A material meticulously crafted, paying close attention to microstructure and subtle temperature conditions to enhance bat characteristics such as strength and durability. Vertical Polishing: Special polishing applied to the bat surface, resulting in intense ball spin. Size: 82cm, Average 810g Balance: Middle Balance (for middle hitters) Purchased new and used for one season. There are no cracks in the bat.