About This Items
Official ball of the All Japan Rubber Ball Baseball Association (public foundation)
Target: General use, junior high school students
Diameter (1 ball): 72±0.5mm
Weight (1 ball): 138±1.8g
Material: Natural rubber
Target: General use, junior high school students
Diameter (1 ball): 72±0.5mm
Weight (1 ball): 138±1.8g
Material: Natural rubber



