The highly popular AX4 2025 limited edition model. While it has a slightly heavier spec, it allows for great distance. I cleared the fence just by using it. ● Product Name: AX4 for 3-piece rubber softball, FRP ● Model Number/Size 1CJFS32686 (86cm, average 760g) Top balance, Navy ● Diameter: 57mm ● Material: Carbon + Glass Fiber ● For 3-piece rubber balls only ● Certified by the Japan Softball Association Used for a few games, so there are scratches and dirt. There is a crack on the surface in one place (Image 7). There is no rattling sound, and the rebound is good. The grip tape has been replaced with SSK Iomic. Please check the images carefully as individual perceptions of condition may vary, and purchase only if you are satisfied.