Product Name: AX4 for 3-piece Rubber Softball, FRP Construction ● Model Number/Size 1CJFS32684 (84cm, average 710g) Middle Balance White x Gold (0150) ● Diameter: 57mm ● Material: Carbon + Glass Fiber ● For 3-piece Rubber Balls Only ● Certified by the Japan Softball Association ● Includes Bat Case ● Deliver a powerful hit! The AX4 features a multi-layer construction that creates a trampoline effect for enhanced flight! ● Regular Price: ¥46,200 (including tax) A discontinued bat case is also included.