This is the Field Force training bat, the Zero Bat (FZOB-650). It's a hardball-compatible training bat, perfect for practice swings and batting practice. Its short design makes it easy to use indoors and helps strengthen your core and swing. 【Specifications】 ・Model Number: FZOB-650 ・Length: Approximately 65cm ・Weight: Approximately 1000g ・Hardball compatible ・Color: Black 【Condition】 There are minor scratches and text wear from use, but there are no problems with its use. Actually, it seems it was different from what was expected, and it was hardly used. Maybe a little practice swinging? You can still use it for practice.