This is a practice swing training device specifically for tennis that reproduces the impact and sound at impact, allowing you to efficiently improve your swing trajectory and form. - Brand: UCHIDA - Model Name: Power Stroke - Supervision: Shoichi Horiuchi I bought it about a year ago, and after practicing it a few times, I put it in the original box and stored it indoors. The vinyl cover on the grip is unopened. However, since this is being kept by an amateur, please refrain from purchasing if you are nervous. NTPS-54 for swing training Sales price: 15,000 yen (16,500 yen including tax) Total weight: 570g average Total length: 54cm Weight: 135g Reference target: High school ~ General Color: orange

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