| 摘要 |
A bat for baseball or softball of the present invention includes a first tube formed from FRP or synthetic resin having a part to be hit and a stopper part, a cylindrical second tube having two ends which are open and including at least two or more layers, a first fixing component including a body part, an interior periphery surface of the body part is fixed to the first tube, a second fixing component including an insertion part, and a gap located between the first tube and the second tube and being formed by the second tube being attached to an exterior periphery of the first tube, one end of the second tube being fixed to an exterior periphery surface of the body part, and the other end of the second tube being fixed to the insertion part which is inserted between the first tube and the second tube.
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